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3a8ee4ffd7
.ftz to instructions if the nvptx-f32ftz attribute is set to "true" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186820 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
866 B
LLVM
44 lines
866 B
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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declare float @llvm.nvvm.sqrt.f(float)
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; CHECK: sqrt_div
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; CHECK: sqrt.rn.f32
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; CHECK: div.rn.f32
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define float @sqrt_div(float %a, float %b) {
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%t1 = tail call float @llvm.nvvm.sqrt.f(float %a)
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%t2 = fdiv float %t1, %b
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ret float %t2
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}
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; CHECK: sqrt_div_fast
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; CHECK: sqrt.approx.f32
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; CHECK: div.approx.f32
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define float @sqrt_div_fast(float %a, float %b) #0 {
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%t1 = tail call float @llvm.nvvm.sqrt.f(float %a)
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%t2 = fdiv float %t1, %b
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ret float %t2
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}
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; CHECK: fadd
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; CHECK: add.f32
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define float @fadd(float %a, float %b) {
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%t1 = fadd float %a, %b
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ret float %t1
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}
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; CHECK: fadd_ftz
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; CHECK: add.ftz.f32
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define float @fadd_ftz(float %a, float %b) #1 {
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%t1 = fadd float %a, %b
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ret float %t1
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}
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attributes #0 = { "unsafe-fp-math" = "true" }
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attributes #1 = { "nvptx-f32ftz" = "true" }
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