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| author | Chris Lattner <sabre@nondot.org> | 2011-01-05 22:28:46 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-01-05 22:28:46 +0000 |
| commit | c010e61ae1f5798dcd14b07eeb4438bcb2d193ca (patch) | |
| tree | e362c522765d370ce7ab4d4e920c11d4e7040570 /test | |
| parent | c46ec649b109ee7c44b0c8b9df6e913bdb129fc1 (diff) | |
| download | external_llvm-c010e61ae1f5798dcd14b07eeb4438bcb2d193ca.zip external_llvm-c010e61ae1f5798dcd14b07eeb4438bcb2d193ca.tar.gz external_llvm-c010e61ae1f5798dcd14b07eeb4438bcb2d193ca.tar.bz2 | |
fix PR8900, a shuffle miscompilation. Patch by Nadav Rotem!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122921 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/sse2.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sse2.ll b/test/CodeGen/X86/sse2.ll index 6fc0190..a9d718d 100644 --- a/test/CodeGen/X86/sse2.ll +++ b/test/CodeGen/X86/sse2.ll @@ -192,3 +192,16 @@ entry: ; CHECK: test15: ; CHECK: movhlps %xmm1, %xmm0 } + +; PR8900 +; CHECK: test16: +; CHECK: unpcklpd +; CHECK: ret + +define <2 x double> @test16(<4 x double> * nocapture %srcA, <2 x double>* nocapture %dst) { + %i5 = getelementptr inbounds <4 x double>* %srcA, i32 3 + %i6 = load <4 x double>* %i5, align 32 + %i7 = shufflevector <4 x double> %i6, <4 x double> undef, <2 x i32> <i32 0, i32 2> + ret <2 x double> %i7 +} + |