Add minnum / maxnum codegen

llvm-svn: 220342

1 files changed, 50 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/fmaxnum.ll b/llvm/test/CodeGen/X86/fmaxnum.ll
new file mode 100644
index 00000000000..23678c46dba
--- /dev/null
+++ b/llvm/test/CodeGen/X86/fmaxnum.ll
@@ -0,0 +1,50 @@
+; RUN: llc  -march=x86 -mtriple=i386-linux-gnu  < %s | FileCheck %s
+
+declare float @fmaxf(float, float)
+declare double @fmax(double, double)
+declare x86_fp80 @fmaxl(x86_fp80, x86_fp80)
+declare float @llvm.maxnum.f32(float, float)
+declare double @llvm.maxnum.f64(double, double)
+declare x86_fp80 @llvm.maxnum.f80(x86_fp80, x86_fp80)
+
+; CHECK-LABEL: @test_fmaxf
+; CHECK: calll fmaxf
+define float @test_fmaxf(float %x, float %y) {
+  %z = call float @fmaxf(float %x, float %y) readnone
+  ret float %z
+}
+
+; CHECK-LABEL: @test_fmax
+; CHECK: calll fmax
+define double @test_fmax(double %x, double %y) {
+  %z = call double @fmax(double %x, double %y) readnone
+  ret double %z
+}
+
+; CHECK-LABEL: @test_fmaxl
+; CHECK: calll fmaxl
+define x86_fp80 @test_fmaxl(x86_fp80 %x, x86_fp80 %y) {
+  %z = call x86_fp80 @fmaxl(x86_fp80 %x, x86_fp80 %y) readnone
+  ret x86_fp80 %z
+}
+
+; CHECK-LABEL: @test_intrinsic_fmaxf
+; CHECK: calll fmaxf
+define float @test_intrinsic_fmaxf(float %x, float %y) {
+  %z = call float @llvm.maxnum.f32(float %x, float %y) readnone
+  ret float %z
+}
+
+; CHECK-LABEL: @test_intrinsic_fmax
+; CHECK: calll fmax
+define double @test_intrinsic_fmax(double %x, double %y) {
+  %z = call double @llvm.maxnum.f64(double %x, double %y) readnone
+  ret double %z
+}
+
+; CHECK-LABEL: @test_intrinsic_fmaxl
+; CHECK: calll fmaxl
+define x86_fp80 @test_intrinsic_fmaxl(x86_fp80 %x, x86_fp80 %y) {
+  %z = call x86_fp80 @llvm.maxnum.f80(x86_fp80 %x, x86_fp80 %y) readnone
+  ret x86_fp80 %z
+}