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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/sgpr-copy-duplicate-operand.ll
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derek.holloway 7502bf64a4
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20 lines
860 B
LLVM

; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn < %s | FileCheck -check-prefix=SI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI %s
; Copy VGPR -> SGPR used twice as an instruction operand, which is then
; used in an REG_SEQUENCE that also needs to be handled.
; SI-LABEL: {{^}}test_dup_operands:
; SI: v_add_{{[iu]}}32_e32
define amdgpu_kernel void @test_dup_operands(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) {
%a = load <2 x i32>, ptr addrspace(1) %in
%lo = extractelement <2 x i32> %a, i32 0
%hi = extractelement <2 x i32> %a, i32 1
%add = add i32 %lo, %lo
%vec0 = insertelement <2 x i32> poison, i32 %add, i32 0
%vec1 = insertelement <2 x i32> %vec0, i32 %hi, i32 1
store <2 x i32> %vec1, ptr addrspace(1) %out, align 8
ret void
}