1 files changed, 185 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fusedMAC.ll b/test/CodeGen/ARM/fusedMAC.ll
new file mode 100644
index 0000000..a8b3999
--- /dev/null
+++ b/test/CodeGen/ARM/fusedMAC.ll
@@ -0,0 +1,185 @@
+; RUN: llc < %s -march=arm -mattr=+neon,+vfp4 | FileCheck %s
+; Check generated fused MAC and MLS.
+
+define double @fusedMACTest1(double %d1, double %d2, double %d3) {
+;CHECK: fusedMACTest1:
+;CHECK: vfma.f64
+  %1 = fmul double %d1, %d2
+  %2 = fadd double %1, %d3
+  ret double %2
+}
+
+define float @fusedMACTest2(float %f1, float %f2, float %f3) {
+;CHECK: fusedMACTest2:
+;CHECK: vfma.f32
+  %1 = fmul float %f1, %f2
+  %2 = fadd float %1, %f3
+  ret float %2
+}
+
+define double @fusedMACTest3(double %d1, double %d2, double %d3) {
+;CHECK: fusedMACTest3:
+;CHECK: vfms.f64
+  %1 = fmul double %d2, %d3
+  %2 = fsub double %d1, %1
+  ret double %2
+}
+
+define float @fusedMACTest4(float %f1, float %f2, float %f3) {
+;CHECK: fusedMACTest4:
+;CHECK: vfms.f32
+  %1 = fmul float %f2, %f3
+  %2 = fsub float %f1, %1
+  ret float %2
+}
+
+define double @fusedMACTest5(double %d1, double %d2, double %d3) {
+;CHECK: fusedMACTest5:
+;CHECK: vfnma.f64
+  %1 = fmul double %d1, %d2
+  %2 = fsub double -0.0, %1
+  %3 = fsub double %2, %d3
+  ret double %3
+}
+
+define float @fusedMACTest6(float %f1, float %f2, float %f3) {
+;CHECK: fusedMACTest6:
+;CHECK: vfnma.f32
+  %1 = fmul float %f1, %f2
+  %2 = fsub float -0.0, %1
+  %3 = fsub float %2, %f3
+  ret float %3
+}
+
+define double @fusedMACTest7(double %d1, double %d2, double %d3) {
+;CHECK: fusedMACTest7:
+;CHECK: vfnms.f64
+  %1 = fmul double %d1, %d2
+  %2 = fsub double %1, %d3
+  ret double %2
+}
+
+define float @fusedMACTest8(float %f1, float %f2, float %f3) {
+;CHECK: fusedMACTest8:
+;CHECK: vfnms.f32
+  %1 = fmul float %f1, %f2
+  %2 = fsub float %1, %f3
+  ret float %2
+}
+
+define <2 x float> @fusedMACTest9(<2 x float> %a, <2 x float> %b) {
+;CHECK: fusedMACTest9:
+;CHECK: vfma.f32
+  %mul = fmul <2 x float> %a, %b
+  %add = fadd <2 x float> %mul, %a
+  ret <2 x float> %add
+}
+
+define <2 x float> @fusedMACTest10(<2 x float> %a, <2 x float> %b) {
+;CHECK: fusedMACTest10:
+;CHECK: vfms.f32
+  %mul = fmul <2 x float> %a, %b
+  %sub = fsub <2 x float> %a, %mul
+  ret <2 x float> %sub
+}
+
+define <4 x float> @fusedMACTest11(<4 x float> %a, <4 x float> %b) {
+;CHECK: fusedMACTest11:
+;CHECK: vfma.f32
+  %mul = fmul <4 x float> %a, %b
+  %add = fadd <4 x float> %mul, %a
+  ret <4 x float> %add
+}
+
+define <4 x float> @fusedMACTest12(<4 x float> %a, <4 x float> %b) {
+;CHECK: fusedMACTest12:
+;CHECK: vfms.f32
+  %mul = fmul <4 x float> %a, %b
+  %sub = fsub <4 x float> %a, %mul
+  ret <4 x float> %sub
+}
+
+define float @test_fma_f32(float %a, float %b, float %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fma_f32
+; CHECK: vfma.f32
+  %tmp1 = tail call float @llvm.fma.f32(float %a, float %b, float %c) nounwind readnone
+  ret float %tmp1
+}
+
+define double @test_fma_f64(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fma_f64
+; CHECK: vfma.f64
+  %tmp1 = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone
+  ret double %tmp1
+}
+
+define <2 x float> @test_fma_v2f32(<2 x float> %a, <2 x float> %b, <2 x float> %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fma_v2f32
+; CHECK: vfma.f32
+  %tmp1 = tail call <2 x float> @llvm.fma.v2f32(<2 x float> %a, <2 x float> %b, <2 x float> %c) nounwind
+  ret <2 x float> %tmp1
+}
+
+define double @test_fms_f64(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fms_f64
+; CHECK: vfms.f64
+  %tmp1 = fsub double -0.0, %a
+  %tmp2 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %c) nounwind readnone
+  ret double %tmp2
+}
+
+define double @test_fms_f64_2(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fms_f64_2
+; CHECK: vfms.f64
+  %tmp1 = fsub double -0.0, %b
+  %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone
+  %tmp3 = fsub double -0.0, %tmp2
+  ret double %tmp3
+}
+
+define double @test_fnms_f64(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fnms_f64
+; CHECK: vfnms.f64
+  %tmp1 = fsub double -0.0, %a
+  %tmp2 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %c) nounwind readnone
+  %tmp3 = fsub double -0.0, %tmp2
+  ret double %tmp3
+}
+
+define double @test_fnms_f64_2(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fnms_f64_2
+; CHECK: vfnms.f64
+  %tmp1 = fsub double -0.0, %b
+  %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone
+  ret double %tmp2
+}
+
+define double @test_fnma_f64(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fnma_f64
+; CHECK: vfnma.f64
+  %tmp1 = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone
+  %tmp2 = fsub double -0.0, %tmp1
+  ret double %tmp2
+}
+
+define double @test_fnma_f64_2(double %a, double %b, double %c) nounwind readnone ssp {
+entry:
+; CHECK: test_fnma_f64_2
+; CHECK: vfnma.f64
+  %tmp1 = fsub double -0.0, %a
+  %tmp2 = fsub double -0.0, %c
+  %tmp3 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %tmp2) nounwind readnone
+  ret double %tmp3
+}
+
+declare float @llvm.fma.f32(float, float, float) nounwind readnone
+declare double @llvm.fma.f64(double, double, double) nounwind readnone
+declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) nounwind readnone