diff options
Diffstat (limited to 'test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll')
| -rw-r--r-- | test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll b/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll new file mode 100644 index 0000000..1e7a418 --- /dev/null +++ b/test/CodeGen/X86/2009-12-01-EarlyClobberBug.ll @@ -0,0 +1,38 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s +; pr5391 + +define void @t() nounwind ssp { +entry: +; CHECK: t: +; CHECK: movl %ecx, %eax +; CHECK: %eax = foo (%eax, %ecx) + %b = alloca i32 ; <i32*> [#uses=2] + %a = alloca i32 ; <i32*> [#uses=1] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + %0 = load i32* %b, align 4 ; <i32> [#uses=1] + %1 = load i32* %b, align 4 ; <i32> [#uses=1] + %asmtmp = call i32 asm "$0 = foo ($1, $2)", "=&{ax},%0,r,~{dirflag},~{fpsr},~{flags}"(i32 %0, i32 %1) nounwind ; <i32> [#uses=1] + store i32 %asmtmp, i32* %a + br label %return + +return: ; preds = %entry + ret void +} + +define void @t2() nounwind ssp { +entry: +; CHECK: t2: +; CHECK: movl %eax, %ecx +; CHECK: %ecx = foo (%ecx, %eax) + %b = alloca i32 ; <i32*> [#uses=2] + %a = alloca i32 ; <i32*> [#uses=1] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + %0 = load i32* %b, align 4 ; <i32> [#uses=1] + %1 = load i32* %b, align 4 ; <i32> [#uses=1] + %asmtmp = call i32 asm "$0 = foo ($1, $2)", "=&r,%0,r,~{dirflag},~{fpsr},~{flags}"(i32 %0, i32 %1) nounwind ; <i32> [#uses=1] + store i32 %asmtmp, i32* %a + br label %return + +return: ; preds = %entry + ret void +} |