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author | Evan Cheng <evan.cheng@apple.com> | 2008-05-08 00:57:18 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-08 00:57:18 +0000 |
commit | 7e2ff77ef05c23db6b9c82bc7a4110e170d7f94c (patch) | |
tree | 64720b94bfac0d0b7c77ad7005c71036d40b1d6b /test/CodeGen/X86/vec_set-C.ll | |
parent | 687bcb2be07f675914e3a452fcc624bed8f53351 (diff) | |
download | external_llvm-7e2ff77ef05c23db6b9c82bc7a4110e170d7f94c.zip external_llvm-7e2ff77ef05c23db6b9c82bc7a4110e170d7f94c.tar.gz external_llvm-7e2ff77ef05c23db6b9c82bc7a4110e170d7f94c.tar.bz2 |
Handle vector move / load which zero the destination register top bits (i.e. movd, movq, movss (addr), movsd (addr)) with X86 specific dag combine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50838 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/vec_set-C.ll')
-rw-r--r-- | test/CodeGen/X86/vec_set-C.ll | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_set-C.ll b/test/CodeGen/X86/vec_set-C.ll new file mode 100644 index 0000000..eef9a61 --- /dev/null +++ b/test/CodeGen/X86/vec_set-C.ll @@ -0,0 +1,7 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movq +; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+sse2 | grep movd + +define <2 x i64> @t1(i64 %x) nounwind { + %tmp8 = insertelement <2 x i64> zeroinitializer, i64 %x, i32 0 + ret <2 x i64> %tmp8 +} |