diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/GVN/rle.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/GVN/rle.ll b/test/Transforms/GVN/rle.ll index af02557..e667eec 100644 --- a/test/Transforms/GVN/rle.ll +++ b/test/Transforms/GVN/rle.ll @@ -187,8 +187,24 @@ Cont: ; CHECK: ret i16 %A } +@GCst = constant {i32, float, i32 } { i32 42, float 14., i32 97 } + +; memset -> float forwarding. +define float @memcpy_to_float_local(float* %A) nounwind ssp { +entry: + %conv = bitcast float* %A to i8* ; <i8*> [#uses=1] + tail call void @llvm.memcpy.i64(i8* %conv, i8* bitcast ({i32, float, i32 }* @GCst to i8*), i64 12, i32 1) + %arrayidx = getelementptr inbounds float* %A, i64 1 ; <float*> [#uses=1] + %tmp2 = load float* %arrayidx ; <float> [#uses=1] + ret float %tmp2 +; CHECK: @memcpy_to_float_local +; CHECK-NOT: load +; CHECK: ret float 1.400000e+01 +} + declare void @llvm.memset.i64(i8* nocapture, i8, i64, i32) nounwind +declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind |