Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/AMDGPU/always-uniform.ll @ 128:c347d3398279 default tip
fix
author | mir3636 |
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date | Wed, 06 Dec 2017 14:37:17 +0900 |
parents | 803732b1fca8 |
children |
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; RUN: llc -mtriple amdgcn-amdhsa -mcpu=fiji -amdgpu-scalarize-global-loads -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s declare i32 @llvm.amdgcn.workitem.id.x() declare i32 @llvm.amdgcn.readfirstlane(i32) ; GCN-LABEL: readfirstlane_uniform ; GCN: s_load_dwordx2 s{{\[}}[[IN_ADDR:[0-9]+]]:1{{\]}}, s[4:5], 0x0 ; GCN: v_readfirstlane_b32 s[[SCALAR:[0-9]+]], v0 ; GCN: s_add_u32 s[[LOAD_ADDR:[0-9]+]], s[[IN_ADDR]], s[[SCALAR]] ; GCN: s_load_dword s{{[0-9]+}}, s{{\[}}[[LOAD_ADDR]] define amdgpu_kernel void @readfirstlane_uniform(float addrspace(1)* noalias nocapture readonly, float addrspace(1)* noalias nocapture readonly) { %tid = tail call i32 @llvm.amdgcn.workitem.id.x() %scalar = tail call i32 @llvm.amdgcn.readfirstlane(i32 %tid) %idx = zext i32 %scalar to i64 %gep0 = getelementptr inbounds float, float addrspace(1)* %0, i64 %idx %val = load float, float addrspace(1)* %gep0, align 4 %gep1 = getelementptr inbounds float, float addrspace(1)* %1, i64 10 store float %val, float addrspace(1)* %gep1, align 4 ret void }