source: icGREP/icgrep-devel/llvm-3.6.1.src/test/CodeGen/R600/sgpr-copy-duplicate-operand.ll @ 4664

Last change on this file since 4664 was 4664, checked in by cameron, 4 years ago

Upgrade LLVM to 3.6.1

File size: 824 bytes
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1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
3
4; Copy VGPR -> SGPR used twice as an instruction operand, which is then
5; used in an REG_SEQUENCE that also needs to be handled.
6
7; SI-LABEL: {{^}}test_dup_operands:
8; SI: v_add_i32_e32
9define void @test_dup_operands(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %in) {
10  %a = load <2 x i32> addrspace(1)* %in
11  %lo = extractelement <2 x i32> %a, i32 0
12  %hi = extractelement <2 x i32> %a, i32 1
13  %add = add i32 %lo, %lo
14  %vec0 = insertelement <2 x i32> undef, i32 %add, i32 0
15  %vec1 = insertelement <2 x i32> %vec0, i32 %hi, i32 1
16  store <2 x i32> %vec1, <2 x i32> addrspace(1)* %out, align 8
17  ret void
18}
19
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