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author | Tom Stellard <thomas.stellard@amd.com> | 2014-03-24 18:21:35 +0000 |
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committer | Tom Stellard <thomas.stellard@amd.com> | 2014-03-24 18:21:35 +0000 |
commit | e359701ec27f168c31b456d069714005070ba42c (patch) | |
tree | 30ed9dacde0054d5721280e3d6f5ab7e4cbf81b3 | |
parent | 4ac0136bbede0f7786eb89c8cb372a3f78c55933 (diff) | |
download | llvm-e359701ec27f168c31b456d069714005070ba42c.tar.gz llvm-e359701ec27f168c31b456d069714005070ba42c.tar.bz2 llvm-e359701ec27f168c31b456d069714005070ba42c.tar.xz |
Merging r200775:
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r200775 | thomas.stellard | 2014-02-04 09:18:42 -0800 (Tue, 04 Feb 2014) | 5 lines
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/branches/release_34@204644 91177308-0d34-0410-b5e6-96231b3b80d8
-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); } |