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view llvm/test/CodeGen/AMDGPU/fneg-combines.si.ll @ 206:f17a3b42b08b
Added tag before-12 for changeset b7591485f4cd
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 07 Jun 2021 21:25:57 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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; RUN: llc -march=amdgcn -mcpu=tahiti -start-after=sink -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-SAFE -check-prefix=SI -check-prefix=FUNC %s ; RUN: llc -enable-no-signed-zeros-fp-math -march=amdgcn -mcpu=tahiti -start-after=sink -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GCN-NSZ -check-prefix=SI -check-prefix=FUNC %s ; -------------------------------------------------------------------------------- ; rcp_legacy tests ; -------------------------------------------------------------------------------- ; GCN-LABEL: {{^}}v_fneg_rcp_legacy_f32: ; GCN: {{buffer|flat}}_load_dword [[A:v[0-9]+]] ; GCN: v_rcp_legacy_f32_e64 [[RESULT:v[0-9]+]], -[[A]] ; GCN: {{buffer|flat}}_store_dword [[RESULT]] define amdgpu_kernel void @v_fneg_rcp_legacy_f32(float addrspace(1)* %out, float addrspace(1)* %a.ptr) #0 { %tid = call i32 @llvm.amdgcn.workitem.id.x() %tid.ext = sext i32 %tid to i64 %a.gep = getelementptr inbounds float, float addrspace(1)* %a.ptr, i64 %tid.ext %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i64 %tid.ext %a = load volatile float, float addrspace(1)* %a.gep %rcp = call float @llvm.amdgcn.rcp.legacy(float %a) %fneg = fsub float -0.000000e+00, %rcp store float %fneg, float addrspace(1)* %out.gep ret void } declare i32 @llvm.amdgcn.workitem.id.x() #1 declare float @llvm.amdgcn.rcp.legacy(float) #1 attributes #0 = { nounwind } attributes #1 = { nounwind readnone }