diff options
Diffstat (limited to 'test/Transforms/InstCombine/objsize.ll')
| -rw-r--r-- | test/Transforms/InstCombine/objsize.ll | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/objsize.ll b/test/Transforms/InstCombine/objsize.ll index dbc7d31..4340662 100644 --- a/test/Transforms/InstCombine/objsize.ll +++ b/test/Transforms/InstCombine/objsize.ll @@ -72,4 +72,34 @@ define i32 @test2() nounwind { ret i32 %1 } -declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly
\ No newline at end of file +; 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: @__memcpy_chk + 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 +} + +declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly |