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llvm-6502/test/CodeGen/X86/stack-protector.ll
Michael Gottesman 236e389be4 [stackprotector] Simplify SP Pass so that we emit different fail basic blocks for each fail condition. 
This patch decouples the stack protector pass so that we can support stack
protector implementations that do not use the IR level generated stack protector
fail basic block.

No codesize increase is caused by this change since the MI level tail merge pass
properly merges together the fail condition blocks (see the updated test).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188105 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-09 21:26:18 +00:00

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; RUN: llc -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
; RUN: llc -code-model=kernel -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=LINUX-KERNEL-X64 %s
; RUN: llc -mtriple=x86_64-apple-darwin < %s -o - | FileCheck --check-prefix=DARWIN-X64 %s
; RUN: llc -mtriple=amd64-pc-openbsd < %s -o - | FileCheck --check-prefix=OPENBSD-AMD64 %s
%struct.foo = type { [16 x i8] }
%struct.foo.0 = type { [4 x i8] }
%struct.pair = type { i32, i32 }
%struct.nest = type { %struct.pair, %struct.pair }
%struct.vec = type { <4 x i32> }
%class.A = type { [2 x i8] }
%struct.deep = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { %struct.anon.0 }
%struct.anon.0 = type { %union.anon.1 }
%union.anon.1 = type { [2 x i8] }
%struct.small = type { i8 }
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
; test1a: array of [16 x i8]
; no ssp attribute
; Requires no protector.
define void @test1a(i8* %a) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test1a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test1a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test1a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test1a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%buf = alloca [16 x i8], align 16
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test1b: array of [16 x i8]
; ssp attribute
; Requires protector.
define void @test1b(i8* %a) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test1b:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test1b:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test1b:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test1b:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
; OPENBSD-AMD64-LABEL: test1b:
; OPENBSD-AMD64: movq __guard_local(%rip)
; OPENBSD-AMD64: callq __stack_smash_handler
%a.addr = alloca i8*, align 8
%buf = alloca [16 x i8], align 16
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test1c: array of [16 x i8]
; sspstrong attribute
; Requires protector.
define void @test1c(i8* %a) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test1c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test1c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test1c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test1c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%buf = alloca [16 x i8], align 16
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test1d: array of [16 x i8]
; sspreq attribute
; Requires protector.
define void @test1d(i8* %a) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test1d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test1d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test1d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test1d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%buf = alloca [16 x i8], align 16
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test2a: struct { [16 x i8] }
; no ssp attribute
; Requires no protector.
define void @test2a(i8* %a) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test2a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test2a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test2a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test2a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test2b: struct { [16 x i8] }
; ssp attribute
; Requires protector.
define void @test2b(i8* %a) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test2b:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test2b:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test2b:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test2b:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test2c: struct { [16 x i8] }
; sspstrong attribute
; Requires protector.
define void @test2c(i8* %a) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test2c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test2c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test2c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test2c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test2d: struct { [16 x i8] }
; sspreq attribute
; Requires protector.
define void @test2d(i8* %a) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test2d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test2d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test2d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test2d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [16 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [16 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test3a: array of [4 x i8]
; no ssp attribute
; Requires no protector.
define void @test3a(i8* %a) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test3a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test3a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test3a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test3a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%buf = alloca [4 x i8], align 1
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test3b: array [4 x i8]
; ssp attribute
; Requires no protector.
define void @test3b(i8* %a) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test3b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test3b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test3b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test3b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%buf = alloca [4 x i8], align 1
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test3c: array of [4 x i8]
; sspstrong attribute
; Requires protector.
define void @test3c(i8* %a) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test3c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test3c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test3c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test3c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%buf = alloca [4 x i8], align 1
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test3d: array of [4 x i8]
; sspreq attribute
; Requires protector.
define void @test3d(i8* %a) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test3d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test3d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test3d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test3d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%buf = alloca [4 x i8], align 1
store i8* %a, i8** %a.addr, align 8
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%arraydecay1 = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
ret void
}
; test4a: struct { [4 x i8] }
; no ssp attribute
; Requires no protector.
define void @test4a(i8* %a) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test4a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test4a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test4a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test4a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo.0, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test4b: struct { [4 x i8] }
; ssp attribute
; Requires no protector.
define void @test4b(i8* %a) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test4b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test4b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test4b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test4b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo.0, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test4c: struct { [4 x i8] }
; sspstrong attribute
; Requires protector.
define void @test4c(i8* %a) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test4c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test4c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test4c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test4c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo.0, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test4d: struct { [4 x i8] }
; sspreq attribute
; Requires protector.
define void @test4d(i8* %a) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test4d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test4d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test4d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test4d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
%b = alloca %struct.foo.0, align 1
store i8* %a, i8** %a.addr, align 8
%buf = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay = getelementptr inbounds [4 x i8]* %buf, i32 0, i32 0
%0 = load i8** %a.addr, align 8
%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
%buf1 = getelementptr inbounds %struct.foo.0* %b, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [4 x i8]* %buf1, i32 0, i32 0
%call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay2)
ret void
}
; test5a: no arrays / no nested arrays
; no ssp attribute
; Requires no protector.
define void @test5a(i8* %a) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test5a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test5a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test5a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test5a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
store i8* %a, i8** %a.addr, align 8
%0 = load i8** %a.addr, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
ret void
}
; test5b: no arrays / no nested arrays
; ssp attribute
; Requires no protector.
define void @test5b(i8* %a) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test5b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test5b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test5b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test5b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
store i8* %a, i8** %a.addr, align 8
%0 = load i8** %a.addr, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
ret void
}
; test5c: no arrays / no nested arrays
; sspstrong attribute
; Requires no protector.
define void @test5c(i8* %a) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test5c:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test5c:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test5c:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test5c:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a.addr = alloca i8*, align 8
store i8* %a, i8** %a.addr, align 8
%0 = load i8** %a.addr, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
ret void
}
; test5d: no arrays / no nested arrays
; sspreq attribute
; Requires protector.
define void @test5d(i8* %a) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test5d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test5d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test5d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test5d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a.addr = alloca i8*, align 8
store i8* %a, i8** %a.addr, align 8
%0 = load i8** %a.addr, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* %0)
ret void
}
; test6a: Address-of local taken (j = &a)
; no ssp attribute
; Requires no protector.
define void @test6a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test6a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test6a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test6a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test6a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%retval = alloca i32, align 4
%a = alloca i32, align 4
%j = alloca i32*, align 8
store i32 0, i32* %retval
%0 = load i32* %a, align 4
%add = add nsw i32 %0, 1
store i32 %add, i32* %a, align 4
store i32* %a, i32** %j, align 8
ret void
}
; test6b: Address-of local taken (j = &a)
; ssp attribute
; Requires no protector.
define void @test6b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test6b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test6b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test6b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test6b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%retval = alloca i32, align 4
%a = alloca i32, align 4
%j = alloca i32*, align 8
store i32 0, i32* %retval
%0 = load i32* %a, align 4
%add = add nsw i32 %0, 1
store i32 %add, i32* %a, align 4
store i32* %a, i32** %j, align 8
ret void
}
; test6c: Address-of local taken (j = &a)
; sspstrong attribute
; Requires protector.
define void @test6c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test6c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test6c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test6c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test6c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%retval = alloca i32, align 4
%a = alloca i32, align 4
%j = alloca i32*, align 8
store i32 0, i32* %retval
%0 = load i32* %a, align 4
%add = add nsw i32 %0, 1
store i32 %add, i32* %a, align 4
store i32* %a, i32** %j, align 8
ret void
}
; test6d: Address-of local taken (j = &a)
; sspreq attribute
; Requires protector.
define void @test6d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test6d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test6d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test6d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test6d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%retval = alloca i32, align 4
%a = alloca i32, align 4
%j = alloca i32*, align 8
store i32 0, i32* %retval
%0 = load i32* %a, align 4
%add = add nsw i32 %0, 1
store i32 %add, i32* %a, align 4
store i32* %a, i32** %j, align 8
ret void
}
; test7a: PtrToInt Cast
; no ssp attribute
; Requires no protector.
define void @test7a() nounwind uwtable readnone {
entry:
; LINUX-I386-LABEL: test7a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test7a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test7a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test7a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%0 = ptrtoint i32* %a to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test7b: PtrToInt Cast
; ssp attribute
; Requires no protector.
define void @test7b() nounwind uwtable readnone ssp {
entry:
; LINUX-I386-LABEL: test7b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test7b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test7b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test7b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%0 = ptrtoint i32* %a to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test7c: PtrToInt Cast
; sspstrong attribute
; Requires protector.
define void @test7c() nounwind uwtable readnone sspstrong {
entry:
; LINUX-I386-LABEL: test7c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test7c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test7c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test7c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%0 = ptrtoint i32* %a to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test7d: PtrToInt Cast
; sspreq attribute
; Requires protector.
define void @test7d() nounwind uwtable readnone sspreq {
entry:
; LINUX-I386-LABEL: test7d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test7d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test7d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test7d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%0 = ptrtoint i32* %a to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test8a: Passing addr-of to function call
; no ssp attribute
; Requires no protector.
define void @test8a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test8a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test8a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test8a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test8a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%b = alloca i32, align 4
call void @funcall(i32* %b) nounwind
ret void
}
; test8b: Passing addr-of to function call
; ssp attribute
; Requires no protector.
define void @test8b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test8b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test8b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test8b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test8b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%b = alloca i32, align 4
call void @funcall(i32* %b) nounwind
ret void
}
; test8c: Passing addr-of to function call
; sspstrong attribute
; Requires protector.
define void @test8c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test8c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test8c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test8c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test8c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%b = alloca i32, align 4
call void @funcall(i32* %b) nounwind
ret void
}
; test8d: Passing addr-of to function call
; sspreq attribute
; Requires protector.
define void @test8d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test8d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test8d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test8d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test8d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%b = alloca i32, align 4
call void @funcall(i32* %b) nounwind
ret void
}
; test9a: Addr-of in select instruction
; no ssp attribute
; Requires no protector.
define void @test9a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test9a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test9a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test9a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test9a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp2 = fcmp ogt double %call, 0.000000e+00
%y.1 = select i1 %cmp2, double* %x, double* null
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), double* %y.1)
ret void
}
; test9b: Addr-of in select instruction
; ssp attribute
; Requires no protector.
define void @test9b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test9b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test9b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test9b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test9b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp2 = fcmp ogt double %call, 0.000000e+00
%y.1 = select i1 %cmp2, double* %x, double* null
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), double* %y.1)
ret void
}
; test9c: Addr-of in select instruction
; sspstrong attribute
; Requires protector.
define void @test9c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test9c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test9c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test9c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test9c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp2 = fcmp ogt double %call, 0.000000e+00
%y.1 = select i1 %cmp2, double* %x, double* null
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), double* %y.1)
ret void
}
; test9d: Addr-of in select instruction
; sspreq attribute
; Requires protector.
define void @test9d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test9d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test9d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test9d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test9d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp2 = fcmp ogt double %call, 0.000000e+00
%y.1 = select i1 %cmp2, double* %x, double* null
%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), double* %y.1)
ret void
}
; test10a: Addr-of in phi instruction
; no ssp attribute
; Requires no protector.
define void @test10a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test10a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test10a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test10a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test10a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp = fcmp ogt double %call, 3.140000e+00
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
%call1 = call double @testi_aux() nounwind
store double %call1, double* %x, align 8
br label %if.end4
if.else: ; preds = %entry
%cmp2 = fcmp ogt double %call, 1.000000e+00
br i1 %cmp2, label %if.then3, label %if.end4
if.then3: ; preds = %if.else
br label %if.end4
if.end4: ; preds = %if.else, %if.then3, %if.then
%y.0 = phi double* [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
%call5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), double* %y.0) nounwind
ret void
}
; test10b: Addr-of in phi instruction
; ssp attribute
; Requires no protector.
define void @test10b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test10b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test10b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test10b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test10b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp = fcmp ogt double %call, 3.140000e+00
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
%call1 = call double @testi_aux() nounwind
store double %call1, double* %x, align 8
br label %if.end4
if.else: ; preds = %entry
%cmp2 = fcmp ogt double %call, 1.000000e+00
br i1 %cmp2, label %if.then3, label %if.end4
if.then3: ; preds = %if.else
br label %if.end4
if.end4: ; preds = %if.else, %if.then3, %if.then
%y.0 = phi double* [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
%call5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), double* %y.0) nounwind
ret void
}
; test10c: Addr-of in phi instruction
; sspstrong attribute
; Requires protector.
define void @test10c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test10c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test10c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test10c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test10c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp = fcmp ogt double %call, 3.140000e+00
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
%call1 = call double @testi_aux() nounwind
store double %call1, double* %x, align 8
br label %if.end4
if.else: ; preds = %entry
%cmp2 = fcmp ogt double %call, 1.000000e+00
br i1 %cmp2, label %if.then3, label %if.end4
if.then3: ; preds = %if.else
br label %if.end4
if.end4: ; preds = %if.else, %if.then3, %if.then
%y.0 = phi double* [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
%call5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), double* %y.0) nounwind
ret void
}
; test10d: Addr-of in phi instruction
; sspreq attribute
; Requires protector.
define void @test10d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test10d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test10d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test10d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test10d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca double, align 8
%call = call double @testi_aux() nounwind
store double %call, double* %x, align 8
%cmp = fcmp ogt double %call, 3.140000e+00
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
%call1 = call double @testi_aux() nounwind
store double %call1, double* %x, align 8
br label %if.end4
if.else: ; preds = %entry
%cmp2 = fcmp ogt double %call, 1.000000e+00
br i1 %cmp2, label %if.then3, label %if.end4
if.then3: ; preds = %if.else
br label %if.end4
if.end4: ; preds = %if.else, %if.then3, %if.then
%y.0 = phi double* [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
%call5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), double* %y.0) nounwind
ret void
}
; test11a: Addr-of struct element. (GEP followed by store).
; no ssp attribute
; Requires no protector.
define void @test11a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test11a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test11a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test11a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test11a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
store i32* %y, i32** %b, align 8
%0 = load i32** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32* %0)
ret void
}
; test11b: Addr-of struct element. (GEP followed by store).
; ssp attribute
; Requires no protector.
define void @test11b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test11b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test11b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test11b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test11b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
store i32* %y, i32** %b, align 8
%0 = load i32** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32* %0)
ret void
}
; test11c: Addr-of struct element. (GEP followed by store).
; sspstrong attribute
; Requires protector.
define void @test11c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test11c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test11c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test11c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test11c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
store i32* %y, i32** %b, align 8
%0 = load i32** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32* %0)
ret void
}
; test11d: Addr-of struct element. (GEP followed by store).
; sspreq attribute
; Requires protector.
define void @test11d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test11d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test11d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test11d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test11d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
store i32* %y, i32** %b, align 8
%0 = load i32** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32* %0)
ret void
}
; test12a: Addr-of struct element, GEP followed by ptrtoint.
; no ssp attribute
; Requires no protector.
define void @test12a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test12a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test12a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test12a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test12a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
%0 = ptrtoint i32* %y to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test12b: Addr-of struct element, GEP followed by ptrtoint.
; ssp attribute
; Requires no protector.
define void @test12b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test12b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test12b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test12b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test12b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
%0 = ptrtoint i32* %y to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test12c: Addr-of struct element, GEP followed by ptrtoint.
; sspstrong attribute
; Requires protector.
define void @test12c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test12c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test12c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test12c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test12c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
%0 = ptrtoint i32* %y to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test12d: Addr-of struct element, GEP followed by ptrtoint.
; sspreq attribute
; Requires protector.
define void @test12d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test12d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test12d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test12d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test12d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%b = alloca i32*, align 8
%y = getelementptr inbounds %struct.pair* %c, i32 0, i32 1
%0 = ptrtoint i32* %y to i64
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i64 %0)
ret void
}
; test13a: Addr-of struct element, GEP followed by callinst.
; no ssp attribute
; Requires no protector.
define void @test13a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test13a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test13a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test13a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test13a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%y = getelementptr inbounds %struct.pair* %c, i64 0, i32 1
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %y) nounwind
ret void
}
; test13b: Addr-of struct element, GEP followed by callinst.
; ssp attribute
; Requires no protector.
define void @test13b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test13b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test13b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test13b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test13b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%y = getelementptr inbounds %struct.pair* %c, i64 0, i32 1
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %y) nounwind
ret void
}
; test13c: Addr-of struct element, GEP followed by callinst.
; sspstrong attribute
; Requires protector.
define void @test13c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test13c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test13c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test13c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test13c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%y = getelementptr inbounds %struct.pair* %c, i64 0, i32 1
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %y) nounwind
ret void
}
; test13d: Addr-of struct element, GEP followed by callinst.
; sspreq attribute
; Requires protector.
define void @test13d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test13d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test13d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test13d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test13d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%y = getelementptr inbounds %struct.pair* %c, i64 0, i32 1
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %y) nounwind
ret void
}
; test14a: Addr-of a local, optimized into a GEP (e.g., &a - 12)
; no ssp attribute
; Requires no protector.
define void @test14a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test14a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test14a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test14a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test14a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%add.ptr5 = getelementptr inbounds i32* %a, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %add.ptr5) nounwind
ret void
}
; test14b: Addr-of a local, optimized into a GEP (e.g., &a - 12)
; ssp attribute
; Requires no protector.
define void @test14b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test14b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test14b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test14b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test14b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%add.ptr5 = getelementptr inbounds i32* %a, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %add.ptr5) nounwind
ret void
}
; test14c: Addr-of a local, optimized into a GEP (e.g., &a - 12)
; sspstrong attribute
; Requires protector.
define void @test14c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test14c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test14c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test14c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test14c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%add.ptr5 = getelementptr inbounds i32* %a, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %add.ptr5) nounwind
ret void
}
; test14d: Addr-of a local, optimized into a GEP (e.g., &a - 12)
; sspreq attribute
; Requires protector.
define void @test14d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test14d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test14d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test14d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test14d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%add.ptr5 = getelementptr inbounds i32* %a, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32* %add.ptr5) nounwind
ret void
}
; test15a: Addr-of a local cast to a ptr of a different type
; (e.g., int a; ... ; float *b = &a;)
; no ssp attribute
; Requires no protector.
define void @test15a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test15a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test15a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test15a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test15a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%b = alloca float*, align 8
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
store float* %0, float** %b, align 8
%1 = load float** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), float* %1)
ret void
}
; test15b: Addr-of a local cast to a ptr of a different type
; (e.g., int a; ... ; float *b = &a;)
; ssp attribute
; Requires no protector.
define void @test15b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test15b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test15b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test15b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test15b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%b = alloca float*, align 8
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
store float* %0, float** %b, align 8
%1 = load float** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), float* %1)
ret void
}
; test15c: Addr-of a local cast to a ptr of a different type
; (e.g., int a; ... ; float *b = &a;)
; sspstrong attribute
; Requires protector.
define void @test15c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test15c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test15c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test15c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test15c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%b = alloca float*, align 8
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
store float* %0, float** %b, align 8
%1 = load float** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), float* %1)
ret void
}
; test15d: Addr-of a local cast to a ptr of a different type
; (e.g., int a; ... ; float *b = &a;)
; sspreq attribute
; Requires protector.
define void @test15d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test15d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test15d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test15d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test15d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%b = alloca float*, align 8
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
store float* %0, float** %b, align 8
%1 = load float** %b, align 8
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), float* %1)
ret void
}
; test16a: Addr-of a local cast to a ptr of a different type (optimized)
; (e.g., int a; ... ; float *b = &a;)
; no ssp attribute
; Requires no protector.
define void @test16a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test16a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test16a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test16a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test16a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
call void @funfloat(float* %0) nounwind
ret void
}
; test16b: Addr-of a local cast to a ptr of a different type (optimized)
; (e.g., int a; ... ; float *b = &a;)
; ssp attribute
; Requires no protector.
define void @test16b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test16b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test16b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test16b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test16b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
call void @funfloat(float* %0) nounwind
ret void
}
; test16c: Addr-of a local cast to a ptr of a different type (optimized)
; (e.g., int a; ... ; float *b = &a;)
; sspstrong attribute
; Requires protector.
define void @test16c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test16c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test16c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test16c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test16c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
call void @funfloat(float* %0) nounwind
ret void
}
; test16d: Addr-of a local cast to a ptr of a different type (optimized)
; (e.g., int a; ... ; float *b = &a;)
; sspreq attribute
; Requires protector.
define void @test16d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test16d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test16d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test16d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test16d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
store i32 0, i32* %a, align 4
%0 = bitcast i32* %a to float*
call void @funfloat(float* %0) nounwind
ret void
}
; test17a: Addr-of a vector nested in a struct
; no ssp attribute
; Requires no protector.
define void @test17a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test17a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test17a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test17a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test17a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.vec, align 16
%y = getelementptr inbounds %struct.vec* %c, i64 0, i32 0
%add.ptr = getelementptr inbounds <4 x i32>* %y, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind
ret void
}
; test17b: Addr-of a vector nested in a struct
; ssp attribute
; Requires no protector.
define void @test17b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test17b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test17b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test17b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test17b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.vec, align 16
%y = getelementptr inbounds %struct.vec* %c, i64 0, i32 0
%add.ptr = getelementptr inbounds <4 x i32>* %y, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind
ret void
}
; test17c: Addr-of a vector nested in a struct
; sspstrong attribute
; Requires protector.
define void @test17c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test17c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test17c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test17c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test17c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.vec, align 16
%y = getelementptr inbounds %struct.vec* %c, i64 0, i32 0
%add.ptr = getelementptr inbounds <4 x i32>* %y, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind
ret void
}
; test17d: Addr-of a vector nested in a struct
; sspreq attribute
; Requires protector.
define void @test17d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test17d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test17d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test17d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test17d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.vec, align 16
%y = getelementptr inbounds %struct.vec* %c, i64 0, i32 0
%add.ptr = getelementptr inbounds <4 x i32>* %y, i64 -12
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind
ret void
}
; test18a: Addr-of a variable passed into an invoke instruction.
; no ssp attribute
; Requires no protector.
define i32 @test18a() uwtable {
entry:
; LINUX-I386-LABEL: test18a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test18a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test18a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test18a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
store i32 0, i32* %a, align 4
invoke void @_Z3exceptPi(i32* %a)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test18b: Addr-of a variable passed into an invoke instruction.
; ssp attribute
; Requires no protector.
define i32 @test18b() uwtable ssp {
entry:
; LINUX-I386-LABEL: test18b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test18b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test18b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test18b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
store i32 0, i32* %a, align 4
invoke void @_Z3exceptPi(i32* %a)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test18c: Addr-of a variable passed into an invoke instruction.
; sspstrong attribute
; Requires protector.
define i32 @test18c() uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test18c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test18c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test18c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test18c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
store i32 0, i32* %a, align 4
invoke void @_Z3exceptPi(i32* %a)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test18d: Addr-of a variable passed into an invoke instruction.
; sspreq attribute
; Requires protector.
define i32 @test18d() uwtable sspreq {
entry:
; LINUX-I386-LABEL: test18d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test18d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test18d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test18d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
store i32 0, i32* %a, align 4
invoke void @_Z3exceptPi(i32* %a)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test19a: Addr-of a struct element passed into an invoke instruction.
; (GEP followed by an invoke)
; no ssp attribute
; Requires no protector.
define i32 @test19a() uwtable {
entry:
; LINUX-I386-LABEL: test19a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test19a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test19a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test19a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%a = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
store i32 0, i32* %a, align 4
%a1 = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
invoke void @_Z3exceptPi(i32* %a1)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test19b: Addr-of a struct element passed into an invoke instruction.
; (GEP followed by an invoke)
; ssp attribute
; Requires no protector.
define i32 @test19b() uwtable ssp {
entry:
; LINUX-I386-LABEL: test19b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test19b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test19b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test19b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.pair, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%a = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
store i32 0, i32* %a, align 4
%a1 = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
invoke void @_Z3exceptPi(i32* %a1)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test19c: Addr-of a struct element passed into an invoke instruction.
; (GEP followed by an invoke)
; sspstrong attribute
; Requires protector.
define i32 @test19c() uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test19c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test19c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test19c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test19c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%a = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
store i32 0, i32* %a, align 4
%a1 = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
invoke void @_Z3exceptPi(i32* %a1)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test19d: Addr-of a struct element passed into an invoke instruction.
; (GEP followed by an invoke)
; sspreq attribute
; Requires protector.
define i32 @test19d() uwtable sspreq {
entry:
; LINUX-I386-LABEL: test19d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-X64-LABEL: test19d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test19d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64-LABEL: test19d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
; DARWIN-X64-NOT: callq ___stack_chk_fail
%c = alloca %struct.pair, align 4
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%a = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
store i32 0, i32* %a, align 4
%a1 = getelementptr inbounds %struct.pair* %c, i32 0, i32 0
invoke void @_Z3exceptPi(i32* %a1)
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i32 0
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i32 0
}
; test20a: Addr-of a pointer
; no ssp attribute
; Requires no protector.
define void @test20a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test20a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test20a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test20a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test20a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32*, align 8
%b = alloca i32**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
store i32** %a, i32*** %b, align 8
%0 = load i32*** %b, align 8
call void @funcall2(i32** %0)
ret void
}
; test20b: Addr-of a pointer
; ssp attribute
; Requires no protector.
define void @test20b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test20b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test20b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test20b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test20b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32*, align 8
%b = alloca i32**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
store i32** %a, i32*** %b, align 8
%0 = load i32*** %b, align 8
call void @funcall2(i32** %0)
ret void
}
; test20c: Addr-of a pointer
; sspstrong attribute
; Requires protector.
define void @test20c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test20c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test20c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test20c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test20c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32*, align 8
%b = alloca i32**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
store i32** %a, i32*** %b, align 8
%0 = load i32*** %b, align 8
call void @funcall2(i32** %0)
ret void
}
; test20d: Addr-of a pointer
; sspreq attribute
; Requires protector.
define void @test20d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test20d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test20d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test20d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test20d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32*, align 8
%b = alloca i32**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
store i32** %a, i32*** %b, align 8
%0 = load i32*** %b, align 8
call void @funcall2(i32** %0)
ret void
}
; test21a: Addr-of a casted pointer
; no ssp attribute
; Requires no protector.
define void @test21a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test21a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test21a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test21a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test21a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32*, align 8
%b = alloca float**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
%0 = bitcast i32** %a to float**
store float** %0, float*** %b, align 8
%1 = load float*** %b, align 8
call void @funfloat2(float** %1)
ret void
}
; test21b: Addr-of a casted pointer
; ssp attribute
; Requires no protector.
define void @test21b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test21b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test21b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test21b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test21b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca i32*, align 8
%b = alloca float**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
%0 = bitcast i32** %a to float**
store float** %0, float*** %b, align 8
%1 = load float*** %b, align 8
call void @funfloat2(float** %1)
ret void
}
; test21c: Addr-of a casted pointer
; sspstrong attribute
; Requires protector.
define void @test21c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test21c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test21c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test21c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test21c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32*, align 8
%b = alloca float**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
%0 = bitcast i32** %a to float**
store float** %0, float*** %b, align 8
%1 = load float*** %b, align 8
call void @funfloat2(float** %1)
ret void
}
; test21d: Addr-of a casted pointer
; sspreq attribute
; Requires protector.
define void @test21d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test21d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test21d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test21d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test21d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca i32*, align 8
%b = alloca float**, align 8
%call = call i32* @getp()
store i32* %call, i32** %a, align 8
%0 = bitcast i32** %a to float**
store float** %0, float*** %b, align 8
%1 = load float*** %b, align 8
call void @funfloat2(float** %1)
ret void
}
; test22a: [2 x i8] in a class
; no ssp attribute
; Requires no protector.
define signext i8 @test22a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test22a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test22a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test22a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test22a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca %class.A, align 1
%array = getelementptr inbounds %class.A* %a, i32 0, i32 0
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test22b: [2 x i8] in a class
; ssp attribute
; Requires no protector.
define signext i8 @test22b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test22b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test22b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test22b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test22b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca %class.A, align 1
%array = getelementptr inbounds %class.A* %a, i32 0, i32 0
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test22c: [2 x i8] in a class
; sspstrong attribute
; Requires protector.
define signext i8 @test22c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test22c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test22c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test22c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test22c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca %class.A, align 1
%array = getelementptr inbounds %class.A* %a, i32 0, i32 0
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test22d: [2 x i8] in a class
; sspreq attribute
; Requires protector.
define signext i8 @test22d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test22d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test22d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test22d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test22d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca %class.A, align 1
%array = getelementptr inbounds %class.A* %a, i32 0, i32 0
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test23a: [2 x i8] nested in several layers of structs and unions
; no ssp attribute
; Requires no protector.
define signext i8 @test23a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test23a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test23a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test23a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test23a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca %struct.deep, align 1
%b = getelementptr inbounds %struct.deep* %x, i32 0, i32 0
%c = bitcast %union.anon* %b to %struct.anon*
%d = getelementptr inbounds %struct.anon* %c, i32 0, i32 0
%e = getelementptr inbounds %struct.anon.0* %d, i32 0, i32 0
%array = bitcast %union.anon.1* %e to [2 x i8]*
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test23b: [2 x i8] nested in several layers of structs and unions
; ssp attribute
; Requires no protector.
define signext i8 @test23b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test23b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test23b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test23b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test23b:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%x = alloca %struct.deep, align 1
%b = getelementptr inbounds %struct.deep* %x, i32 0, i32 0
%c = bitcast %union.anon* %b to %struct.anon*
%d = getelementptr inbounds %struct.anon* %c, i32 0, i32 0
%e = getelementptr inbounds %struct.anon.0* %d, i32 0, i32 0
%array = bitcast %union.anon.1* %e to [2 x i8]*
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test23c: [2 x i8] nested in several layers of structs and unions
; sspstrong attribute
; Requires protector.
define signext i8 @test23c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test23c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test23c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test23c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test23c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca %struct.deep, align 1
%b = getelementptr inbounds %struct.deep* %x, i32 0, i32 0
%c = bitcast %union.anon* %b to %struct.anon*
%d = getelementptr inbounds %struct.anon* %c, i32 0, i32 0
%e = getelementptr inbounds %struct.anon.0* %d, i32 0, i32 0
%array = bitcast %union.anon.1* %e to [2 x i8]*
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test23d: [2 x i8] nested in several layers of structs and unions
; sspreq attribute
; Requires protector.
define signext i8 @test23d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test23d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test23d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test23d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test23d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%x = alloca %struct.deep, align 1
%b = getelementptr inbounds %struct.deep* %x, i32 0, i32 0
%c = bitcast %union.anon* %b to %struct.anon*
%d = getelementptr inbounds %struct.anon* %c, i32 0, i32 0
%e = getelementptr inbounds %struct.anon.0* %d, i32 0, i32 0
%array = bitcast %union.anon.1* %e to [2 x i8]*
%arrayidx = getelementptr inbounds [2 x i8]* %array, i32 0, i64 0
%0 = load i8* %arrayidx, align 1
ret i8 %0
}
; test24a: Variable sized alloca
; no ssp attribute
; Requires no protector.
define void @test24a(i32 %n) nounwind uwtable {
entry:
; LINUX-I386-LABEL: test24a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test24a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test24a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test24a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%n.addr = alloca i32, align 4
%a = alloca i32*, align 8
store i32 %n, i32* %n.addr, align 4
%0 = load i32* %n.addr, align 4
%conv = sext i32 %0 to i64
%1 = alloca i8, i64 %conv
%2 = bitcast i8* %1 to i32*
store i32* %2, i32** %a, align 8
ret void
}
; test24b: Variable sized alloca
; ssp attribute
; Requires protector.
define void @test24b(i32 %n) nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test24b:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test24b:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test24b:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test24b:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%n.addr = alloca i32, align 4
%a = alloca i32*, align 8
store i32 %n, i32* %n.addr, align 4
%0 = load i32* %n.addr, align 4
%conv = sext i32 %0 to i64
%1 = alloca i8, i64 %conv
%2 = bitcast i8* %1 to i32*
store i32* %2, i32** %a, align 8
ret void
}
; test24c: Variable sized alloca
; sspstrong attribute
; Requires protector.
define void @test24c(i32 %n) nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test24c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test24c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test24c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test24c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%n.addr = alloca i32, align 4
%a = alloca i32*, align 8
store i32 %n, i32* %n.addr, align 4
%0 = load i32* %n.addr, align 4
%conv = sext i32 %0 to i64
%1 = alloca i8, i64 %conv
%2 = bitcast i8* %1 to i32*
store i32* %2, i32** %a, align 8
ret void
}
; test24d: Variable sized alloca
; sspreq attribute
; Requires protector.
define void @test24d(i32 %n) nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test24d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test24d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test24d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test24d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%n.addr = alloca i32, align 4
%a = alloca i32*, align 8
store i32 %n, i32* %n.addr, align 4
%0 = load i32* %n.addr, align 4
%conv = sext i32 %0 to i64
%1 = alloca i8, i64 %conv
%2 = bitcast i8* %1 to i32*
store i32* %2, i32** %a, align 8
ret void
}
; test25a: array of [4 x i32]
; no ssp attribute
; Requires no protector.
define i32 @test25a() nounwind uwtable {
entry:
; LINUX-I386-LABEL: test25a:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test25a:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test25a:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test25a:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%a = alloca [4 x i32], align 16
%arrayidx = getelementptr inbounds [4 x i32]* %a, i32 0, i64 0
%0 = load i32* %arrayidx, align 4
ret i32 %0
}
; test25b: array of [4 x i32]
; ssp attribute
; Requires no protector, except for Darwin which _does_ require a protector.
define i32 @test25b() nounwind uwtable ssp {
entry:
; LINUX-I386-LABEL: test25b:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test25b:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test25b:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test25b:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca [4 x i32], align 16
%arrayidx = getelementptr inbounds [4 x i32]* %a, i32 0, i64 0
%0 = load i32* %arrayidx, align 4
ret i32 %0
}
; test25c: array of [4 x i32]
; sspstrong attribute
; Requires protector.
define i32 @test25c() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test25c:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test25c:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test25c:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test25c:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca [4 x i32], align 16
%arrayidx = getelementptr inbounds [4 x i32]* %a, i32 0, i64 0
%0 = load i32* %arrayidx, align 4
ret i32 %0
}
; test25d: array of [4 x i32]
; sspreq attribute
; Requires protector.
define i32 @test25d() nounwind uwtable sspreq {
entry:
; LINUX-I386-LABEL: test25d:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test25d:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test25d:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test25d:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%a = alloca [4 x i32], align 16
%arrayidx = getelementptr inbounds [4 x i32]* %a, i32 0, i64 0
%0 = load i32* %arrayidx, align 4
ret i32 %0
}
; test26: Nested structure, no arrays, no address-of expressions.
; Verify that the resulting gep-of-gep does not incorrectly trigger
; a stack protector.
; ssptrong attribute
; Requires no protector.
define void @test26() nounwind uwtable sspstrong {
entry:
; LINUX-I386-LABEL: test26:
; LINUX-I386-NOT: calll __stack_chk_fail
; LINUX-I386: .cfi_endproc
; LINUX-X64-LABEL: test26:
; LINUX-X64-NOT: callq __stack_chk_fail
; LINUX-X64: .cfi_endproc
; LINUX-KERNEL-X64-LABEL: test26:
; LINUX-KERNEL-X64-NOT: callq __stack_chk_fail
; LINUX-KERNEL-X64: .cfi_endproc
; DARWIN-X64-LABEL: test26:
; DARWIN-X64-NOT: callq ___stack_chk_fail
; DARWIN-X64: .cfi_endproc
%c = alloca %struct.nest, align 4
%b = getelementptr inbounds %struct.nest* %c, i32 0, i32 1
%_a = getelementptr inbounds %struct.pair* %b, i32 0, i32 0
%0 = load i32* %_a, align 4
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %0)
ret void
}
; test27: Address-of a structure taken in a function with a loop where
; the alloca is an incoming value to a PHI node and a use of that PHI
; node is also an incoming value.
; Verify that the address-of analysis does not get stuck in infinite
; recursion when chasing the alloca through the PHI nodes.
; Requires protector.
define i32 @test27(i32 %arg) nounwind uwtable sspstrong {
bb:
; LINUX-I386-LABEL: test27:
; LINUX-I386: mov{{l|q}} %gs:
; LINUX-I386: calll __stack_chk_fail
; LINUX-X64-LABEL: test27:
; LINUX-X64: mov{{l|q}} %fs:
; LINUX-X64: callq __stack_chk_fail
; LINUX-KERNEL-X64-LABEL: test27:
; LINUX-KERNEL-X64: mov{{l|q}} %gs:
; LINUX-KERNEL-X64: callq __stack_chk_fail
; DARWIN-X64-LABEL: test27:
; DARWIN-X64: mov{{l|q}} ___stack_chk_guard
; DARWIN-X64: callq ___stack_chk_fail
%tmp = alloca %struct.small*, align 8
%tmp1 = call i32 (...)* @dummy(%struct.small** %tmp) nounwind
%tmp2 = load %struct.small** %tmp, align 8
%tmp3 = ptrtoint %struct.small* %tmp2 to i64
%tmp4 = trunc i64 %tmp3 to i32
%tmp5 = icmp sgt i32 %tmp4, 0
br i1 %tmp5, label %bb6, label %bb21
bb6: ; preds = %bb17, %bb
%tmp7 = phi %struct.small* [ %tmp19, %bb17 ], [ %tmp2, %bb ]
%tmp8 = phi i64 [ %tmp20, %bb17 ], [ 1, %bb ]
%tmp9 = phi i32 [ %tmp14, %bb17 ], [ %tmp1, %bb ]
%tmp10 = getelementptr inbounds %struct.small* %tmp7, i64 0, i32 0
%tmp11 = load i8* %tmp10, align 1
%tmp12 = icmp eq i8 %tmp11, 1
%tmp13 = add nsw i32 %tmp9, 8
%tmp14 = select i1 %tmp12, i32 %tmp13, i32 %tmp9
%tmp15 = trunc i64 %tmp8 to i32
%tmp16 = icmp eq i32 %tmp15, %tmp4
br i1 %tmp16, label %bb21, label %bb17
bb17: ; preds = %bb6
%tmp18 = getelementptr inbounds %struct.small** %tmp, i64 %tmp8
%tmp19 = load %struct.small** %tmp18, align 8
%tmp20 = add i64 %tmp8, 1
br label %bb6
bb21: ; preds = %bb6, %bb
%tmp22 = phi i32 [ %tmp1, %bb ], [ %tmp14, %bb6 ]
%tmp23 = call i32 (...)* @dummy(i32 %tmp22) nounwind
ret i32 undef
}
declare double @testi_aux()
declare i8* @strcpy(i8*, i8*)
declare i32 @printf(i8*, ...)
declare void @funcall(i32*)
declare void @funcall2(i32**)
declare void @funfloat(float*)
declare void @funfloat2(float**)
declare void @_Z3exceptPi(i32*)
declare i32 @__gxx_personality_v0(...)
declare i32* @getp()
declare i32 @dummy(...)
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