Mark FMA4 instructions as commutable and add them to the folding tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163035 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 29 insertions, 0 deletions

diff --git a/test/CodeGen/X86/fma_patterns.ll b/test/CodeGen/X86/fma_patterns.ll
index 0c1c41ecc4..6d98d59b38 100644
--- a/test/CodeGen/X86/fma_patterns.ll
+++ b/test/CodeGen/X86/fma_patterns.ll
@@ -181,3 +181,32 @@ define float @test_x86_fnmsub_ss(float %a0, float %a1, float %a2) {
   %res = fsub float %y, %a2
   ret float %res
 }
+
+; CHECK: test_x86_fmadd_ps
+; CHECK: vmovaps         (%rdi), %xmm2
+; CHECK: vfmadd213ps     %xmm1, %xmm0, %xmm2
+; CHECK: ret
+; CHECK_FMA4: test_x86_fmadd_ps
+; CHECK_FMA4: vfmaddps     %xmm1, (%rdi), %xmm0, %xmm0
+; CHECK_FMA4: ret
+define <4 x float> @test_x86_fmadd_ps_load(<4 x float>* %a0, <4 x float> %a1, <4 x float> %a2) {
+  %x = load <4 x float>* %a0
+  %y = fmul <4 x float> %x, %a1
+  %res = fadd <4 x float> %y, %a2
+  ret <4 x float> %res
+}
+
+; CHECK: test_x86_fmsub_ps
+; CHECK: vmovaps         (%rdi), %xmm2
+; CHECK: fmsub213ps     %xmm1, %xmm0, %xmm2
+; CHECK: ret
+; CHECK_FMA4: test_x86_fmsub_ps
+; CHECK_FMA4: vfmsubps     %xmm1, (%rdi), %xmm0, %xmm0
+; CHECK_FMA4: ret
+define <4 x float> @test_x86_fmsub_ps_load(<4 x float>* %a0, <4 x float> %a1, <4 x float> %a2) {
+  %x = load <4 x float>* %a0
+  %y = fmul <4 x float> %x, %a1
+  %res = fsub <4 x float> %y, %a2
+  ret <4 x float> %res
+}
+