File: infer-uniform-load-shader.ll

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llvm-toolchain-18 1%3A18.1.8-18
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
;
; Make sure shaders with uniform, unmodified global address space
; loads are accessed with scalar loads.

define amdgpu_ps i32 @ps_load_uniform_global_i32_align4(ptr addrspace(1) inreg %ptr) {
; GCN-LABEL: ps_load_uniform_global_i32_align4:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s0, s[2:3], 0x0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    ; return to shader part epilog
  %load = load i32, ptr addrspace(1) %ptr, align 4
  ret i32 %load
}

define amdgpu_cs i32 @cs_load_uniform_global_i32_align4(ptr addrspace(1) inreg %ptr) {
; GCN-LABEL: cs_load_uniform_global_i32_align4:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s0, s[2:3], 0x0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    ; return to shader part epilog
  %load = load i32, ptr addrspace(1) %ptr, align 4
  ret i32 %load
}