diff options
author | Kit Barton <kbarton@ca.ibm.com> | 2016-02-26 21:59:44 +0000 |
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committer | Kit Barton <kbarton@ca.ibm.com> | 2016-02-26 21:59:44 +0000 |
commit | 5b4af7f72240c8d1678edf61ecb8b577856811fd (patch) | |
tree | 6dca8a063b666e0b7fe270d96936fb18172a218c /test/CodeGen/PowerPC/vec_fneg.ll | |
parent | dd18dd4735b5b51879a9a4905db5e2160452cefc (diff) |
[PPC] Legalize FNEG on PPC when possible
Currently we always expand ISD::FNEG. For v4f32 and v2f64 vector types VSX has
native support for this opcode
Phabricator: http://reviews.llvm.org/D17647
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262079 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/vec_fneg.ll')
-rw-r--r-- | test/CodeGen/PowerPC/vec_fneg.ll | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/test/CodeGen/PowerPC/vec_fneg.ll b/test/CodeGen/PowerPC/vec_fneg.ll index d6f6def64ea..117336dc6a4 100644 --- a/test/CodeGen/PowerPC/vec_fneg.ll +++ b/test/CodeGen/PowerPC/vec_fneg.ll @@ -1,8 +1,37 @@ -; RUN: llc < %s -march=ppc32 -mcpu=g5 | grep vsubfp +; RUN: llc < %s -march=ppc32 -mcpu=g5 | FileCheck %s -check-prefix=CHECK-NOVSX +; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -march=ppc64le \ +; RUN: -mattr=+altivec -mattr=+vsx | FileCheck %s +; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -march=ppc64le \ +; RUN: -mattr=+altivec -mattr=-vsx | FileCheck %s \ +; RUN: -check-prefix=CHECK-NOVSX -define void @t(<4 x float>* %A) { +define void @test_float(<4 x float>* %A) { +; CHECK-LABEL: test_float +; CHECK-NOVSX-LABEL: test_float %tmp2 = load <4 x float>, <4 x float>* %A %tmp3 = fsub <4 x float> < float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00 >, %tmp2 store <4 x float> %tmp3, <4 x float>* %A ret void + +; CHECK: xvnegsp +; CHECK: blr +; CHECK-NOVSX: vsubfp +; CHECK-NOVSX: blr + +} + +define void @test_double(<2 x double>* %A) { +; CHECK-LABEL: test_double +; CHECK-NOVSX-LABEL: test_double + %tmp2 = load <2 x double>, <2 x double>* %A + %tmp3 = fsub <2 x double> < double -0.000000e+00, double -0.000000e+00 >, %tmp2 + store <2 x double> %tmp3, <2 x double>* %A + ret void + +; CHECK: xvnegdp +; CHECK: blr +; CHECK-NOVSX: fneg +; CHECK-NOVSX: fneg +; CHECK-NOVSX: blr + } |