diff options
Diffstat (limited to 'test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll')
| -rw-r--r-- | test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll b/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll index 8baba8118c..5dc1cb3d9a 100644 --- a/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll +++ b/test/CodeGen/X86/2006-10-10-FindModifiedNodeSlotBug.ll @@ -1,31 +1,28 @@ -; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep shrl +; RUN: llvm-as < %s | llc -march=x86 | grep shrl ; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 31 ; is then optimized away. +@tree_code_type = external global [0 x i32] ; <[0 x i32]*> [#uses=1] -%tree_code_type = external global [0 x uint] - -void %copy_if_shared_r() { - %tmp = load uint* null - %tmp56 = and uint %tmp, 255 - %tmp8 = getelementptr [0 x uint]* %tree_code_type, int 0, uint %tmp56 - %tmp9 = load uint* %tmp8 - %tmp10 = add uint %tmp9, 4294967295 - %tmp = setgt uint %tmp10, 2 - %tmp14 = load uint* null - %tmp15 = shr uint %tmp14, ubyte 31 - %tmp15 = cast uint %tmp15 to ubyte - %tmp16 = setne ubyte %tmp15, 0 - br bool %tmp, label %cond_false25, label %cond_true - -cond_true: - br bool %tmp16, label %cond_true17, label %cond_false - -cond_true17: +define void @copy_if_shared_r() { + %tmp = load i32* null ; <i32> [#uses=1] + %tmp56 = and i32 %tmp, 255 ; <i32> [#uses=1] + %gep.upgrd.1 = zext i32 %tmp56 to i64 ; <i64> [#uses=1] + %tmp8 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1] + %tmp9 = load i32* %tmp8 ; <i32> [#uses=1] + %tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1] + %tmp.upgrd.2 = icmp ugt i32 %tmp10, 2 ; <i1> [#uses=1] + %tmp14 = load i32* null ; <i32> [#uses=1] + %tmp15 = lshr i32 %tmp14, 31 ; <i32> [#uses=1] + %tmp15.upgrd.3 = trunc i32 %tmp15 to i8 ; <i8> [#uses=1] + %tmp16 = icmp ne i8 %tmp15.upgrd.3, 0 ; <i1> [#uses=1] + br i1 %tmp.upgrd.2, label %cond_false25, label %cond_true +cond_true: ; preds = %0 + br i1 %tmp16, label %cond_true17, label %cond_false +cond_true17: ; preds = %cond_true ret void - -cond_false: +cond_false: ; preds = %cond_true ret void - -cond_false25: +cond_false25: ; preds = %0 ret void } + |