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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2011-08-11 02:49:41 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2011-08-11 02:49:41 +0000 |
| commit | 572c9aaf537b5600e37ea65aee593cf540de1809 (patch) | |
| tree | dad67c6fe6e265c3aa5ed24344e16611063e9346 /llvm/test/CodeGen/X86/avx-splat.ll | |
| parent | aa149cbd863d1722f8e5263cac26b9c9f4461f57 (diff) | |
| download | bcm5719-llvm-572c9aaf537b5600e37ea65aee593cf540de1809.tar.gz bcm5719-llvm-572c9aaf537b5600e37ea65aee593cf540de1809.zip | |
Use the splat index to generate the desired shuffle. Otherwise we
could only get undefs and the vector shuffle becomes an undef,
generating wrong code.
llvm-svn: 137295
Diffstat (limited to 'llvm/test/CodeGen/X86/avx-splat.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/avx-splat.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx-splat.ll b/llvm/test/CodeGen/X86/avx-splat.ll index 36d469417f9..243ab9ba318 100644 --- a/llvm/test/CodeGen/X86/avx-splat.ll +++ b/llvm/test/CodeGen/X86/avx-splat.ll @@ -77,3 +77,13 @@ __load_and_broadcast_32.exit1249: ; preds = %load.i1247, %for_ex ret void } +; CHECK: vpshufd $0 +; CHECK-NEXT: vinsertf128 $1 +define <8 x float> @funcF(i32* %ptr) nounwind { + %val = load i32* %ptr, align 4 + %ret6 = insertelement <8 x i32> undef, i32 %val, i32 6 + %ret7 = insertelement <8 x i32> %ret6, i32 %val, i32 7 + %tmp = bitcast <8 x i32> %ret7 to <8 x float> + ret <8 x float> %tmp +} + |
