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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-14 07:57:29 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-14 07:57:29 +0000 |
| commit | e0375295c5f0317b514403ed0be7051d95620b54 (patch) | |
| tree | fe83d53bc90204b47b287410d776f6807709197c /test/CodeGen/R600/sgpr-copy-duplicate-operand.ll | |
| parent | 2b8d813851c19596c6591c54721082217f0ab5ef (diff) | |
| download | external_llvm-e0375295c5f0317b514403ed0be7051d95620b54.zip external_llvm-e0375295c5f0317b514403ed0be7051d95620b54.tar.gz external_llvm-e0375295c5f0317b514403ed0be7051d95620b54.tar.bz2 | |
R600/SI: Add testcase for problem I ran into
with the older version of the moveToVALU changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194682 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/R600/sgpr-copy-duplicate-operand.ll')
| -rw-r--r-- | test/CodeGen/R600/sgpr-copy-duplicate-operand.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/R600/sgpr-copy-duplicate-operand.ll b/test/CodeGen/R600/sgpr-copy-duplicate-operand.ll new file mode 100644 index 0000000..d74161b --- /dev/null +++ b/test/CodeGen/R600/sgpr-copy-duplicate-operand.ll @@ -0,0 +1,18 @@ +; RUN: llc -march=r600 -mcpu=SI < %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_I32_e32 +define void @test_dup_operands(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %in) { + %a = load <2 x i32> 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> undef, i32 %add, i32 0 + %vec1 = insertelement <2 x i32> %vec0, i32 %hi, i32 1 + store <2 x i32> %vec1, <2 x i32> addrspace(1)* %out, align 8 + ret void +} + |