[WebAssembly] Don't perform the returned-argument optimization on constants.

[oota-llvm.git] / test / CodeGen / ARM / fusedMAC.ll

diff --git a/test/CodeGen/ARM/fusedMAC.ll b/test/CodeGen/ARM/fusedMAC.ll
index 1ad7ce18ea1eda182c170ad72d99d8be15332c10..6f6cdc11491e88916ad05218fbfaa92058959d85 100644 (file)
--- a/test/CodeGen/ARM/fusedMAC.ll
+++ b/test/CodeGen/ARM/fusedMAC.ll
@@ -1,8 +1,8 @@
-; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 | FileCheck %s
+; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 -fp-contract=fast | FileCheck %s
 ; Check generated fused MAC and MLS.
 
 define double @fusedMACTest1(double %d1, double %d2, double %d3) {
-;CHECK: fusedMACTest1:
+;CHECK-LABEL: fusedMACTest1:
 ;CHECK: vfma.f64
   %1 = fmul double %d1, %d2
   %2 = fadd double %1, %d3
@@ -10,7 +10,7 @@ define double @fusedMACTest1(double %d1, double %d2, double %d3) {
 }
 
 define float @fusedMACTest2(float %f1, float %f2, float %f3) {
-;CHECK: fusedMACTest2:
+;CHECK-LABEL: fusedMACTest2:
 ;CHECK: vfma.f32
   %1 = fmul float %f1, %f2
   %2 = fadd float %1, %f3
@@ -18,7 +18,7 @@ define float @fusedMACTest2(float %f1, float %f2, float %f3) {
 }
 
 define double @fusedMACTest3(double %d1, double %d2, double %d3) {
-;CHECK: fusedMACTest3:
+;CHECK-LABEL: fusedMACTest3:
 ;CHECK: vfms.f64
   %1 = fmul double %d2, %d3
   %2 = fsub double %d1, %1
@@ -26,7 +26,7 @@ define double @fusedMACTest3(double %d1, double %d2, double %d3) {
 }
 
 define float @fusedMACTest4(float %f1, float %f2, float %f3) {
-;CHECK: fusedMACTest4:
+;CHECK-LABEL: fusedMACTest4:
 ;CHECK: vfms.f32
   %1 = fmul float %f2, %f3
   %2 = fsub float %f1, %1
@@ -34,7 +34,7 @@ define float @fusedMACTest4(float %f1, float %f2, float %f3) {
 }
 
 define double @fusedMACTest5(double %d1, double %d2, double %d3) {
-;CHECK: fusedMACTest5:
+;CHECK-LABEL: fusedMACTest5:
 ;CHECK: vfnma.f64
   %1 = fmul double %d1, %d2
   %2 = fsub double -0.0, %1
@@ -43,7 +43,7 @@ define double @fusedMACTest5(double %d1, double %d2, double %d3) {
 }
 
 define float @fusedMACTest6(float %f1, float %f2, float %f3) {
-;CHECK: fusedMACTest6:
+;CHECK-LABEL: fusedMACTest6:
 ;CHECK: vfnma.f32
   %1 = fmul float %f1, %f2
   %2 = fsub float -0.0, %1
@@ -52,7 +52,7 @@ define float @fusedMACTest6(float %f1, float %f2, float %f3) {
 }
 
 define double @fusedMACTest7(double %d1, double %d2, double %d3) {
-;CHECK: fusedMACTest7:
+;CHECK-LABEL: fusedMACTest7:
 ;CHECK: vfnms.f64
   %1 = fmul double %d1, %d2
   %2 = fsub double %1, %d3
@@ -60,7 +60,7 @@ define double @fusedMACTest7(double %d1, double %d2, double %d3) {
 }
 
 define float @fusedMACTest8(float %f1, float %f2, float %f3) {
-;CHECK: fusedMACTest8:
+;CHECK-LABEL: fusedMACTest8:
 ;CHECK: vfnms.f32
   %1 = fmul float %f1, %f2
   %2 = fsub float %1, %f3
@@ -68,7 +68,7 @@ define float @fusedMACTest8(float %f1, float %f2, float %f3) {
 }
 
 define <2 x float> @fusedMACTest9(<2 x float> %a, <2 x float> %b) {
-;CHECK: fusedMACTest9:
+;CHECK-LABEL: fusedMACTest9:
 ;CHECK: vfma.f32
   %mul = fmul <2 x float> %a, %b
   %add = fadd <2 x float> %mul, %a
@@ -76,7 +76,7 @@ define <2 x float> @fusedMACTest9(<2 x float> %a, <2 x float> %b) {
 }
 
 define <2 x float> @fusedMACTest10(<2 x float> %a, <2 x float> %b) {
-;CHECK: fusedMACTest10:
+;CHECK-LABEL: fusedMACTest10:
 ;CHECK: vfms.f32
   %mul = fmul <2 x float> %a, %b
   %sub = fsub <2 x float> %a, %mul
@@ -84,7 +84,7 @@ define <2 x float> @fusedMACTest10(<2 x float> %a, <2 x float> %b) {
 }
 
 define <4 x float> @fusedMACTest11(<4 x float> %a, <4 x float> %b) {
-;CHECK: fusedMACTest11:
+;CHECK-LABEL: fusedMACTest11:
 ;CHECK: vfma.f32
   %mul = fmul <4 x float> %a, %b
   %add = fadd <4 x float> %mul, %a
@@ -92,7 +92,7 @@ define <4 x float> @fusedMACTest11(<4 x float> %a, <4 x float> %b) {
 }
 
 define <4 x float> @fusedMACTest12(<4 x float> %a, <4 x float> %b) {
-;CHECK: fusedMACTest12:
+;CHECK-LABEL: fusedMACTest12:
 ;CHECK: vfms.f32
   %mul = fmul <4 x float> %a, %b
   %sub = fsub <4 x float> %a, %mul
@@ -141,6 +141,15 @@ entry:
   ret double %tmp2
 }
 
+define float @test_fnms_f32(float %a, float %b, float* %c) nounwind readnone ssp {
+; CHECK: test_fnms_f32
+; CHECK: vfnms.f32
+  %tmp1 = load float, float* %c, align 4
+  %tmp2 = fsub float -0.0, %tmp1
+  %tmp3 = tail call float @llvm.fma.f32(float %a, float %b, float %tmp2) nounwind readnone
+  ret float %tmp3 
+}
+
 define double @test_fnms_f64(double %a, double %b, double %c) nounwind readnone ssp {
 entry:
 ; CHECK: test_fnms_f64
@@ -180,6 +189,36 @@ entry:
   ret double %tmp3
 }
 
+define float @test_fma_const_fold(float %a, float %b) nounwind {
+; CHECK: test_fma_const_fold
+; CHECK-NOT: vfma
+; CHECK-NOT: vmul
+; CHECK: vadd
+  %ret = call float @llvm.fma.f32(float %a, float 1.0, float %b)
+  ret float %ret
+}
+
+define float @test_fma_canonicalize(float %a, float %b) nounwind {
+; CHECK: test_fma_canonicalize
+; CHECK: vmov.f32 [[R1:s[0-9]+]], #2.000000e+00
+; CHECK: vfma.f32 {{s[0-9]+}}, {{s[0-9]+}}, [[R1]]
+  %ret = call float @llvm.fma.f32(float 2.0, float %a, float %b)
+  ret float %ret
+}
+
+; Check that very wide vector fma's can be split into legal fma's.
+define void @test_fma_v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c, <8 x float>* %p) nounwind readnone ssp {
+; CHECK: test_fma_v8f32
+; CHECK: vfma.f32
+; CHECK: vfma.f32
+entry:
+  %call = tail call <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c) nounwind readnone
+  store <8 x float> %call, <8 x float>* %p, align 16
+  ret void
+}
+
+
 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
+declare <8 x float> @llvm.fma.v8f32(<8 x float>, <8 x float>, <8 x float>) nounwind readnone