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Diffstat (limited to 'test/CodeGen/X86/2012-07-15-broadcastfold.ll')
| -rw-r--r-- | test/CodeGen/X86/2012-07-15-broadcastfold.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-07-15-broadcastfold.ll b/test/CodeGen/X86/2012-07-15-broadcastfold.ll new file mode 100644 index 0000000..3b7a8a7 --- /dev/null +++ b/test/CodeGen/X86/2012-07-15-broadcastfold.ll @@ -0,0 +1,23 @@ +; RUN: llc < %s -march=x86 -mcpu=corei7 -mattr=+avx2 | FileCheck %s + +declare x86_fastcallcc i64 @barrier() + +;CHECK: bcast_fold +;CHECK: vmovaps %xmm{{[0-9]+}}, [[SPILLED:[^\)]+\)]] +;CHECK: barrier +;CHECK: vbroadcastss [[SPILLED]], %ymm0 +;CHECK: ret +define <8 x float> @bcast_fold( float* %A) { +BB: + %A0 = load float* %A + %tt3 = call x86_fastcallcc i64 @barrier() + br i1 undef, label %work, label %exit + +work: + %A1 = insertelement <8 x float> undef, float %A0, i32 0 + %A2 = shufflevector <8 x float> %A1, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0> + ret <8 x float> %A2 + +exit: + ret <8 x float> undef +} |
