forked from OSchip/llvm-project
51 lines
1.5 KiB
LLVM
51 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -global-isel -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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define amdgpu_cs float @div_sqrt(float inreg %arg1) {
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; GCN-LABEL: div_sqrt:
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; GCN: ; %bb.0: ; %.entry
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; GCN-NEXT: v_rsq_f32_e32 v0, s0
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; GCN-NEXT: ; return to shader part epilog
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.entry:
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%a = call float @llvm.sqrt.f32(float %arg1)
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%b = fdiv afn float 1.000000e+00, %a
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ret float %b
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}
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define amdgpu_cs float @sqrt_div(float inreg %arg1) {
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; GCN-LABEL: sqrt_div:
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; GCN: ; %bb.0: ; %.entry
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; GCN-NEXT: v_rsq_f32_e32 v0, s0
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; GCN-NEXT: ; return to shader part epilog
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.entry:
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%a = fdiv afn float 1.000000e+00, %arg1
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%b = call float @llvm.sqrt.f32(float %a)
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ret float %b
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}
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define amdgpu_cs float @rcp_sqrt(float inreg %arg1) {
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; GCN-LABEL: rcp_sqrt:
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; GCN: ; %bb.0: ; %.entry
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; GCN-NEXT: v_rsq_f32_e32 v0, s0
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; GCN-NEXT: ; return to shader part epilog
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.entry:
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%a = call float @llvm.sqrt.f32(float %arg1)
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%b = call float @llvm.amdgcn.rcp.f32(float %a)
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ret float %b
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}
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define amdgpu_cs float @sqrt_rcp(float inreg %arg1) {
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; GCN-LABEL: sqrt_rcp:
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; GCN: ; %bb.0: ; %.entry
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; GCN-NEXT: v_rsq_f32_e32 v0, s0
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; GCN-NEXT: ; return to shader part epilog
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.entry:
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%a = call float @llvm.amdgcn.rcp.f32(float %arg1)
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%b = call float @llvm.sqrt.f32(float %a)
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ret float %b
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}
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declare float @llvm.sqrt.f32(float)
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declare float @llvm.amdgcn.rcp.f32(float)
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