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[stack protector] Add test cases for thumb and thumb2.

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<rdar://problem/12475629>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213970 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2014-07-25 19:47:46 +00:00
parent 0651a556fe
commit 9c5f6b8c65
2 changed files with 78 additions and 0 deletions
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41
test/CodeGen/Thumb/stack_guard_remat.ll Normal file
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; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC
; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC
;PIC: foo2
;PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]]
;PIC: [[LABEL1:LPC[0-9_]+]]:
;PIC: add [[R0]], pc
;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R0]]{{\]}}
;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R1]]{{\]}}
;PIC: [[LABEL0]]:
;PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+4)
;STATIC: foo2
;STATIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]]
;STATIC: ldr {{r[0-9]+}}, {{\[}}[[R0]]{{\]}}
;STATIC: [[LABEL0]]:
;STATIC-NEXT: .long ___stack_chk_guard
; Function Attrs: nounwind ssp
define i32 @test_stack_guard_remat() #0 {
%a1 = alloca [256 x i32], align 4
%1 = bitcast [256 x i32]* %a1 to i8*
call void @llvm.lifetime.start(i64 1024, i8* %1)
%2 = getelementptr inbounds [256 x i32]* %a1, i32 0, i32 0
call void @foo3(i32* %2) #3
call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"()
call void @llvm.lifetime.end(i64 1024, i8* %1)
ret i32 0
}
; Function Attrs: nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture)
declare void @foo3(i32*)
; Function Attrs: nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture)
attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }

37
test/CodeGen/Thumb2/stack_guard_remat.ll Normal file
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; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC
; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC
;PIC: foo2
;PIC: movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+4))
;PIC: movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+4))
;PIC: [[LABEL0]]:
;PIC: add [[R0]], pc
;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R0]]{{\]}}
;PIC: ldr {{r[0-9]+}}, {{\[}}[[R1]]{{\]}}
;STATIC: foo2
;STATIC: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard
;STATIC: movt [[R0]], :upper16:___stack_chk_guard
;STATIC: ldr {{r[0-9]+}}, {{\[}}[[R0]]{{\]}}
; Function Attrs: nounwind ssp
define i32 @test_stack_guard_remat() #0 {
%a1 = alloca [256 x i32], align 4
%1 = bitcast [256 x i32]* %a1 to i8*
call void @llvm.lifetime.start(i64 1024, i8* %1)
%2 = getelementptr inbounds [256 x i32]* %a1, i32 0, i32 0
call void @foo3(i32* %2) #3
call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"()
call void @llvm.lifetime.end(i64 1024, i8* %1)
ret i32 0
}
; Function Attrs: nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture)
declare void @foo3(i32*)
; Function Attrs: nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture)
attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }