diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/IPConstantProp/2009-09-24-byval-ptr.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/IPConstantProp/2009-09-24-byval-ptr.ll b/test/Transforms/IPConstantProp/2009-09-24-byval-ptr.ll new file mode 100644 index 0000000..75055d4 --- /dev/null +++ b/test/Transforms/IPConstantProp/2009-09-24-byval-ptr.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as <%s | opt -ipsccp | llvm-dis | FileCheck %s +; Don't constant-propagate byval pointers, since they are not pointers! +; PR5038 +%struct.MYstr = type { i8, i32 } +@mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3] +define internal void @vfu1(%struct.MYstr* byval align 4 %u) nounwind { +entry: + %0 = getelementptr %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1] + store i32 99, i32* %0, align 4 +; CHECK: %struct.MYstr* %u + %1 = getelementptr %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1] + store i8 97, i8* %1, align 4 +; CHECK: %struct.MYstr* %u + br label %return + +return: ; preds = %entry + ret void +} +define void @unions() nounwind { +entry: + call void @vfu1(%struct.MYstr* byval align 4 @mystr) nounwind + ret void +} + |