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| author | Daniel Sanders <daniel.sanders@imgtec.com> | 2014-03-04 13:54:30 +0000 |
|---|---|---|
| committer | Daniel Sanders <daniel.sanders@imgtec.com> | 2014-03-04 13:54:30 +0000 |
| commit | e06bec47d646adb36c0bc552e8a0ed86d901d012 (patch) | |
| tree | 428a163432fed19b509b9c298ddaa4691e418052 /test | |
| parent | 80a59df0e7b0c00c579827727f01fb5038f08ef7 (diff) | |
| download | llvm-e06bec47d646adb36c0bc552e8a0ed86d901d012.tar.gz llvm-e06bec47d646adb36c0bc552e8a0ed86d901d012.tar.bz2 llvm-e06bec47d646adb36c0bc552e8a0ed86d901d012.tar.xz | |
[mips][msa] Correct the behaviour of the COPY_FW pseudo on lanes 2 and 3.
Summary:
Previously, attempting to extract lanes 2 and 3 would actually extract lane 1.
The MSA CodeGen tests only covered lanes 0 and 1.
Differential Revision: http://llvm-reviews.chandlerc.com/D2935
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202848 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Mips/msa/basic_operations_float.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/msa/basic_operations_float.ll b/test/CodeGen/Mips/msa/basic_operations_float.ll index a405e1b6de..c8cef44909 100644 --- a/test/CodeGen/Mips/msa/basic_operations_float.ll +++ b/test/CodeGen/Mips/msa/basic_operations_float.ll @@ -137,6 +137,24 @@ define float @extract_v4f32_elt0() nounwind { ; MIPS32: .size extract_v4f32_elt0 } +define float @extract_v4f32_elt2() nounwind { + ; MIPS32: extract_v4f32_elt2: + + %1 = load <4 x float>* @v4f32 + ; MIPS32-DAG: ld.w [[R1:\$w[0-9]+]], + + %2 = fadd <4 x float> %1, %1 + ; MIPS32-DAG: fadd.w [[R2:\$w[0-9]+]], [[R1]], [[R1]] + + %3 = extractelement <4 x float> %2, i32 2 + ; Element 2 can be obtained by splatting it across the vector and extracting + ; $w0:sub_lo + ; MIPS32-DAG: splati.w $w0, [[R1]][2] + + ret float %3 + ; MIPS32: .size extract_v4f32_elt2 +} + define double @extract_v2f64() nounwind { ; MIPS32: extract_v2f64: |