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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-02-04 17:18:42 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-02-04 17:18:42 +0000 |
| commit | 0c7a6b6477cac6192712b14016e706fd100172b1 (patch) | |
| tree | 0f01b35c4f0cfe41d4baec3bc63477c890db8dcd /lib/Target | |
| parent | 83918a2ad2bb225e045151386a681a1466f36bbf (diff) | |
| download | llvm-0c7a6b6477cac6192712b14016e706fd100172b1.tar.gz llvm-0c7a6b6477cac6192712b14016e706fd100172b1.tar.bz2 llvm-0c7a6b6477cac6192712b14016e706fd100172b1.tar.xz | |
R600/SI: Don't assume copies will be coalesced in SIFixSGPRCopies
There is no lit test for this, because it would be too big and
complicated, but it does fix a crash in the Arithm/Absdiff.* OpenCV test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200775 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/R600/SIFixSGPRCopies.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/R600/SIFixSGPRCopies.cpp b/lib/Target/R600/SIFixSGPRCopies.cpp index 3370c7955b..f0065ea13c 100644 --- a/lib/Target/R600/SIFixSGPRCopies.cpp +++ b/lib/Target/R600/SIFixSGPRCopies.cpp @@ -187,7 +187,7 @@ bool SIFixSGPRCopies::isVGPRToSGPRCopy(const MachineInstr &Copy, DstRC == &AMDGPU::M0RegRegClass) return false; - SrcRC = inferRegClassFromDef(TRI, MRI, SrcReg, SrcSubReg); + SrcRC = TRI->getSubRegClass(MRI.getRegClass(SrcReg), SrcSubReg); return TRI->isSGPRClass(DstRC) && TRI->hasVGPRs(SrcRC); } |