diff options
| author | Hal Finkel <hfinkel@anl.gov> | 2012-06-23 21:52:50 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2012-06-23 21:52:50 +0000 |
| commit | e415f96b6a43ac8861148a11a4258bc38c247e8f (patch) | |
| tree | a3c03b9d3fc7c2b94d24b8bc12eddbd6b5579de2 /test | |
| parent | 624a9c49d436947b6ad56140966fa76e574f43ef (diff) | |
| download | external_llvm-e415f96b6a43ac8861148a11a4258bc38c247e8f.zip external_llvm-e415f96b6a43ac8861148a11a4258bc38c247e8f.tar.gz external_llvm-e415f96b6a43ac8861148a11a4258bc38c247e8f.tar.bz2 | |
Allow BBVectorize to fuse compare instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159088 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/BBVectorize/simple-sel.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/BBVectorize/simple-sel.ll b/test/Transforms/BBVectorize/simple-sel.ll index 4daa571..7fb9c8b 100644 --- a/test/Transforms/BBVectorize/simple-sel.ll +++ b/test/Transforms/BBVectorize/simple-sel.ll @@ -27,4 +27,30 @@ define double @test1(double %A1, double %A2, double %B1, double %B2, i1 %C1, i1 ; CHECK: ret double %R } +; Basic depth-3 chain with select (and vect. compare) +define double @test2(double %A1, double %A2, double %B1, double %B2) { +; CHECK: @test2 +; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0 +; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0 +; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1 +; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1 + %X1 = fsub double %A1, %B1 + %X2 = fsub double %A2, %B2 +; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2 + %Y1 = fmul double %X1, %A1 + %Y2 = fmul double %X2, %A2 +; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2 + %C1 = fcmp ogt double %X1, %A1 + %C2 = fcmp ogt double %X2, %A2 +; CHECK: %C1 = fcmp ogt <2 x double> %X1, %X1.v.i0.2 + %Z1 = select i1 %C1, double %Y1, double %B1 + %Z2 = select i1 %C2, double %Y2, double %B2 +; CHECK: %Z1 = select <2 x i1> %C1, <2 x double> %Y1, <2 x double> %X1.v.i1.2 + %R = fmul double %Z1, %Z2 +; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0 +; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1 +; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2 + ret double %R +; CHECK: ret double %R +} |