vendor/llvm/llvm-trunk-r178860

1 files changed, 102 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/fp-dp3.ll b/test/CodeGen/AArch64/fp-dp3.ll
new file mode 100644
index 000000000000..39db9be15771
--- /dev/null
+++ b/test/CodeGen/AArch64/fp-dp3.ll
@@ -0,0 +1,102 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
+
+declare float @llvm.fma.f32(float, float, float)
+declare double @llvm.fma.f64(double, double, double)
+
+define float @test_fmadd(float %a, float %b, float %c) {
+; CHECK: test_fmadd:
+  %val = call float @llvm.fma.f32(float %a, float %b, float %c)
+; CHECK: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %val
+}
+
+define float @test_fmsub(float %a, float %b, float %c) {
+; CHECK: test_fmsub:
+  %nega = fsub float -0.0, %a
+  %val = call float @llvm.fma.f32(float %nega, float %b, float %c)
+; CHECK: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %val
+}
+
+define float @test_fnmadd(float %a, float %b, float %c) {
+; CHECK: test_fnmadd:
+  %negc = fsub float -0.0, %c
+  %val = call float @llvm.fma.f32(float %a, float %b, float %negc)
+; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %val
+}
+
+define float @test_fnmsub(float %a, float %b, float %c) {
+; CHECK: test_fnmsub:
+  %nega = fsub float -0.0, %a
+  %negc = fsub float -0.0, %c
+  %val = call float @llvm.fma.f32(float %nega, float %b, float %negc)
+; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %val
+}
+
+define double @testd_fmadd(double %a, double %b, double %c) {
+; CHECK: testd_fmadd:
+  %val = call double @llvm.fma.f64(double %a, double %b, double %c)
+; CHECK: fmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
+  ret double %val
+}
+
+define double @testd_fmsub(double %a, double %b, double %c) {
+; CHECK: testd_fmsub:
+  %nega = fsub double -0.0, %a
+  %val = call double @llvm.fma.f64(double %nega, double %b, double %c)
+; CHECK: fmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
+  ret double %val
+}
+
+define double @testd_fnmadd(double %a, double %b, double %c) {
+; CHECK: testd_fnmadd:
+  %negc = fsub double -0.0, %c
+  %val = call double @llvm.fma.f64(double %a, double %b, double %negc)
+; CHECK: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
+  ret double %val
+}
+
+define double @testd_fnmsub(double %a, double %b, double %c) {
+; CHECK: testd_fnmsub:
+  %nega = fsub double -0.0, %a
+  %negc = fsub double -0.0, %c
+  %val = call double @llvm.fma.f64(double %nega, double %b, double %negc)
+; CHECK: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
+  ret double %val
+}
+
+define float @test_fmadd_unfused(float %a, float %b, float %c) {
+; CHECK: test_fmadd_unfused:
+  %prod = fmul float %b, %c
+  %sum = fadd float %a, %prod
+; CHECK: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %sum
+}
+
+define float @test_fmsub_unfused(float %a, float %b, float %c) {
+; CHECK: test_fmsub_unfused:
+  %prod = fmul float %b, %c
+  %diff = fsub float %a, %prod
+; CHECK: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %diff
+}
+
+define float @test_fnmadd_unfused(float %a, float %b, float %c) {
+; CHECK: test_fnmadd_unfused:
+  %nega = fsub float -0.0, %a
+  %prod = fmul float %b, %c
+  %sum = fadd float %nega, %prod
+; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %sum
+}
+
+define float @test_fnmsub_unfused(float %a, float %b, float %c) {
+; CHECK: test_fnmsub_unfused:
+  %nega = fsub float -0.0, %a
+  %prod = fmul float %b, %c
+  %diff = fsub float %nega, %prod
+; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %diff
+}