mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-10-13 06:25:02 +00:00
27ceaa13f8
out the remainder of the calls that we should lower in some way and move the tests to the new correct directory. Fix up tests that are now optimized more than they were before by -instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97875 91177308-0d34-0410-b5e6-96231b3b80d8
126 lines
3.9 KiB
LLVM
126 lines
3.9 KiB
LLVM
; Test a pile of objectsize bounds checking.
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
; We need target data to get the sizes of the arrays and structures.
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
|
|
|
@a = private global [60 x i8] zeroinitializer, align 1 ; <[60 x i8]*>
|
|
@.str = private constant [8 x i8] c"abcdefg\00" ; <[8 x i8]*>
|
|
|
|
define i32 @foo() nounwind {
|
|
; CHECK: @foo
|
|
; CHECK-NEXT: ret i32 60
|
|
%1 = call i32 @llvm.objectsize.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i1 false)
|
|
ret i32 %1
|
|
}
|
|
|
|
define i8* @bar() nounwind {
|
|
; CHECK: @bar
|
|
entry:
|
|
%retval = alloca i8*
|
|
%0 = call i32 @llvm.objectsize.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i1 false)
|
|
%cmp = icmp ne i32 %0, -1
|
|
; CHECK: br i1 true
|
|
br i1 %cmp, label %cond.true, label %cond.false
|
|
|
|
cond.true:
|
|
%1 = load i8** %retval
|
|
ret i8* %1
|
|
|
|
cond.false:
|
|
%2 = load i8** %retval
|
|
ret i8* %2
|
|
}
|
|
|
|
define i32 @f() nounwind {
|
|
; CHECK: @f
|
|
; CHECK-NEXT: ret i32 0
|
|
%1 = call i32 @llvm.objectsize.i32(i8* getelementptr ([60 x i8]* @a, i32 1, i32 0), i1 false)
|
|
ret i32 %1
|
|
}
|
|
|
|
@window = external global [0 x i8]
|
|
|
|
define i1 @baz() nounwind {
|
|
; CHECK: @baz
|
|
; CHECK-NEXT: ret i1 true
|
|
%1 = tail call i32 @llvm.objectsize.i32(i8* getelementptr inbounds ([0 x i8]* @window, i32 0, i32 0), i1 false)
|
|
%2 = icmp eq i32 %1, -1
|
|
ret i1 %2
|
|
}
|
|
|
|
define void @test1(i8* %q, i32 %x) nounwind noinline {
|
|
; CHECK: @test1
|
|
; CHECK: objectsize.i32
|
|
entry:
|
|
%0 = call i32 @llvm.objectsize.i32(i8* getelementptr inbounds ([0 x i8]* @window, i32 0, i32 10), i1 false) ; <i64> [#uses=1]
|
|
%1 = icmp eq i32 %0, -1 ; <i1> [#uses=1]
|
|
br i1 %1, label %"47", label %"46"
|
|
|
|
"46": ; preds = %entry
|
|
unreachable
|
|
|
|
"47": ; preds = %entry
|
|
unreachable
|
|
}
|
|
|
|
@.str5 = private constant [9 x i32] [i32 97, i32 98, i32 99, i32 100, i32 0, i32
|
|
101, i32 102, i32 103, i32 0], align 4
|
|
define i32 @test2() nounwind {
|
|
; CHECK: @test2
|
|
; CHECK-NEXT: ret i32 34
|
|
%1 = call i32 @llvm.objectsize.i32(i8* getelementptr (i8* bitcast ([9 x i32]* @.str5 to i8*), i32 2), i1 false)
|
|
ret i32 %1
|
|
}
|
|
|
|
; rdar://7674946
|
|
@array = internal global [480 x float] zeroinitializer ; <[480 x float]*> [#uses=1]
|
|
|
|
declare i8* @__memcpy_chk(i8*, i8*, i32, i32) nounwind
|
|
|
|
declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly
|
|
|
|
declare i8* @__inline_memcpy_chk(i8*, i8*, i32) nounwind inlinehint
|
|
|
|
define void @test3() nounwind {
|
|
; CHECK: @test3
|
|
entry:
|
|
br i1 undef, label %bb11, label %bb12
|
|
|
|
bb11:
|
|
%0 = getelementptr inbounds float* getelementptr inbounds ([480 x float]* @array, i32 0, i32 128), i32 -127 ; <float*> [#uses=1]
|
|
%1 = bitcast float* %0 to i8* ; <i8*> [#uses=1]
|
|
%2 = call i32 @llvm.objectsize.i32(i8* %1, i1 false) ; <i32> [#uses=1]
|
|
%3 = call i8* @__memcpy_chk(i8* undef, i8* undef, i32 512, i32 %2) nounwind ; <i8*> [#uses=0]
|
|
; CHECK: unreachable
|
|
unreachable
|
|
|
|
bb12:
|
|
%4 = getelementptr inbounds float* getelementptr inbounds ([480 x float]* @array, i32 0, i32 128), i32 -127 ; <float*> [#uses=1]
|
|
%5 = bitcast float* %4 to i8* ; <i8*> [#uses=1]
|
|
%6 = call i8* @__inline_memcpy_chk(i8* %5, i8* undef, i32 512) nounwind inlinehint ; <i8*> [#uses=0]
|
|
; CHECK: @__inline_memcpy_chk
|
|
unreachable
|
|
}
|
|
|
|
; rdar://7718857
|
|
|
|
%struct.data = type { [100 x i32], [100 x i32], [1024 x i8] }
|
|
|
|
define i32 @test4() nounwind ssp {
|
|
; CHECK: @test4
|
|
entry:
|
|
%0 = alloca %struct.data, align 8
|
|
%1 = bitcast %struct.data* %0 to i8*
|
|
%2 = call i64 @llvm.objectsize.i64(i8* %1, i1 false) nounwind
|
|
; CHECK-NOT: @llvm.objectsize
|
|
; CHECK: @llvm.memset.i64(i8* %1, i8 0, i64 1824, i32 8)
|
|
%3 = call i8* @__memset_chk(i8* %1, i32 0, i64 1824, i64 %2) nounwind
|
|
ret i32 0
|
|
}
|
|
|
|
declare i8* @__memset_chk(i8*, i32, i64, i64) nounwind
|
|
|
|
declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly
|
|
|
|
declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly
|