--- /dev/null
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 -fp-contract=fast | FileCheck %s
+
+define ptx_device float @t1_f32(float %x, float %y, float %z,
+ float %u, float %v) {
+; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
+; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
+; CHECK: ret;
+ %a = fmul float %x, %y
+ %b = fmul float %u, %v
+ %c = fadd float %a, %b
+ %d = fadd float %c, %z
+ ret float %d
+}
+
+define ptx_device double @t1_f64(double %x, double %y, double %z,
+ double %u, double %v) {
+; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
+; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
+; CHECK: ret;
+ %a = fmul double %x, %y
+ %b = fmul double %u, %v
+ %c = fadd double %a, %b
+ %d = fadd double %c, %z
+ ret double %d
+}
; RUN: llc < %s -march=nvptx -mcpu=sm_20 -fp-contract=fast | FileCheck %s
+declare float @dummy_f32(float, float) #0
+declare double @dummy_f64(double, double) #0
+
define ptx_device float @t1_f32(float %x, float %y, float %z) {
; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
; CHECK: ret;
ret float %b
}
+define ptx_device float @t2_f32(float %x, float %y, float %z, float %w) {
+; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
+; CHECK: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
+; CHECK: ret;
+ %a = fmul float %x, %y
+ %b = fadd float %a, %z
+ %c = fadd float %a, %w
+ %d = call float @dummy_f32(float %b, float %c)
+ ret float %d
+}
+
define ptx_device double @t1_f64(double %x, double %y, double %z) {
; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
; CHECK: ret;
%b = fadd double %a, %z
ret double %b
}
+
+define ptx_device double @t2_f64(double %x, double %y, double %z, double %w) {
+; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
+; CHECK: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
+; CHECK: ret;
+ %a = fmul double %x, %y
+ %b = fadd double %a, %z
+ %c = fadd double %a, %w
+ %d = call double @dummy_f64(double %b, double %c)
+ ret double %d
+}