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| author | Michael Liao <michael.liao@intel.com> | 2012-10-24 04:14:18 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2012-10-24 04:14:18 +0000 |
| commit | 1a5cc710ee78bf55c3799b49c6fd37619d2dbb7b (patch) | |
| tree | f06342afabab5fd60234e86c9aa727acd2807d36 /test | |
| parent | 991b6a22b6592b56ae890f30c478f835480e7cf5 (diff) | |
| download | llvm-1a5cc710ee78bf55c3799b49c6fd37619d2dbb7b.tar.gz llvm-1a5cc710ee78bf55c3799b49c6fd37619d2dbb7b.tar.bz2 llvm-1a5cc710ee78bf55c3799b49c6fd37619d2dbb7b.tar.xz | |
Teach DAG combine to fold (buildvec (Xint2fp x)) to (Xint2fp (buildvec x))
- If more than 1 elemennts are defined and target supports the vectorized
conversion, use the vectorized one instead to reduce the strength on
conversion operation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166546 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/cvtv2f32.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/cvtv2f32.ll b/test/CodeGen/X86/cvtv2f32.ll index 5a27a48910..466b096067 100644 --- a/test/CodeGen/X86/cvtv2f32.ll +++ b/test/CodeGen/X86/cvtv2f32.ll @@ -1,5 +1,19 @@ ; RUN: llc < %s -mtriple=i686-linux-pc -mcpu=corei7 | FileCheck %s +define <2 x float> @foo(i32 %x, i32 %y, <2 x float> %v) { + %t1 = uitofp i32 %x to float + %t2 = insertelement <2 x float> undef, float %t1, i32 0 + %t3 = uitofp i32 %y to float + %t4 = insertelement <2 x float> %t2, float %t3, i32 1 + %t5 = fmul <2 x float> %v, %t4 + ret <2 x float> %t5 +; CHECK: foo +; CHECK: or +; CHECK: subpd +; CHECK: cvtpd2ps +; CHECK: ret +} + define <2 x float> @bar(<2 x i32> %in) { %r = uitofp <2 x i32> %in to <2 x float> ret <2 x float> %r |