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[AMDGPU] Derive GCNSubtarget from MF to get overridden target features

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Summary:
AMDGPUAsmPrinter has a getSTI function that derives a GCNSubtarget from the
TM. However, this means that overridden target features are not detected and can
result in incorrect behaviour.

Switch to using STM which is a GCNSubtarget derived from the MF (used elsewhere
in the same function).

Change-Id: Ib6328ad667b7fcdc87e9c06344e59859207db9b0

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, tpr, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D54301

llvm-svn: 347221
This commit is contained in:
David Stuttard 2018-11-19 15:44:20 +00:00
parent 3fea6ce2d6
commit 7e3b714db9
1 changed files with 2 additions and 2 deletions
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4
lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
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@ -911,9 +911,9 @@ void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,
}
ProgInfo.SGPRBlocks = IsaInfo::getNumSGPRBlocks(
getSTI(), ProgInfo.NumSGPRsForWavesPerEU);
&STM, ProgInfo.NumSGPRsForWavesPerEU);
ProgInfo.VGPRBlocks = IsaInfo::getNumVGPRBlocks(
getSTI(), ProgInfo.NumVGPRsForWavesPerEU);
&STM, ProgInfo.NumVGPRsForWavesPerEU);
// Update DebuggerWavefrontPrivateSegmentOffsetSGPR and
// DebuggerPrivateSegmentBufferSGPR fields if "amdgpu-debugger-emit-prologue"