1; RUN: llc -mtriple amdgcn-amdhsa -mcpu=fiji -amdgpu-scalarize-global-loads -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2
3declare i32 @llvm.amdgcn.workitem.id.x()
4declare i32 @llvm.amdgcn.readfirstlane(i32)
5
6; GCN-LABEL: readfirstlane_uniform
7; GCN: 	s_load_dwordx2 s{{\[}}[[IN_ADDR:[0-9]+]]:1{{\]}}, s[4:5], 0x0
8; GCN:  v_readfirstlane_b32 s[[SCALAR:[0-9]+]], v0
9; GCN: 	s_add_u32 s[[LOAD_ADDR:[0-9]+]], s[[IN_ADDR]], s[[SCALAR]]
10; GCN:	s_load_dword s{{[0-9]+}}, s{{\[}}[[LOAD_ADDR]]
11
12define amdgpu_kernel void @readfirstlane_uniform(float addrspace(1)* noalias nocapture readonly, float addrspace(1)* noalias nocapture readonly) {
13  %tid = tail call i32 @llvm.amdgcn.workitem.id.x()
14  %scalar = tail call i32 @llvm.amdgcn.readfirstlane(i32 %tid)
15  %idx = zext i32 %scalar to i64
16  %gep0 = getelementptr inbounds float, float addrspace(1)* %0, i64 %idx
17  %val = load float, float addrspace(1)* %gep0, align 4
18  %gep1 = getelementptr inbounds float, float addrspace(1)* %1, i64 10
19  store float %val, float addrspace(1)* %gep1, align 4
20  ret void
21}
22