forked from OSchip/llvm-project
40 lines
1.3 KiB
LLVM
40 lines
1.3 KiB
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20 -fp-contract=fast | FileCheck %s -check-prefix=CHECK
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; RUN: llc < %s -march=nvptx -mcpu=sm_20 -fp-contract=fast -enable-unsafe-fp-math | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNSAFE
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define ptx_device float @t1_f32(float %x, float %y, float %z,
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float %u, float %v) {
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; CHECK-UNSAFE: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
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; CHECK-UNSAFE: fma.rn.f32 %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}}, %f{{[0-9]+}};
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; CHECK: ret;
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%a = fmul float %x, %y
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%b = fmul float %u, %v
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%c = fadd float %a, %b
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%d = fadd float %c, %z
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ret float %d
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}
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define ptx_device double @t1_f64(double %x, double %y, double %z,
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double %u, double %v) {
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; CHECK-UNSAFE: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
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; CHECK-UNSAFE: fma.rn.f64 %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}}, %fd{{[0-9]+}};
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; CHECK: ret;
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%a = fmul double %x, %y
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%b = fmul double %u, %v
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%c = fadd double %a, %b
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%d = fadd double %c, %z
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ret double %d
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}
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define double @two_choices(double %val1, double %val2) {
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; CHECK-LABEL: two_choices(
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; CHECK: mul.f64
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; CHECK-NOT: mul.f64
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; CHECK: fma.rn.f64
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%1 = fmul double %val1, %val2
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%2 = fmul double %1, %1
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%3 = fadd double %1, %2
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ret double %3
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}
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