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[AMDGPU] Added hot-block-rematerialize pass #136631

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[AMDGPU] Added hot-block-rematerialize pass #136631

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a9464fa
Adding remat piece by piece
adam-yang Apr 18, 2025
6854976
First build
adam-yang Apr 18, 2025
3c2b1f3
Tests
adam-yang Apr 21, 2025
dbdc9a4
Added test for the phi crash in pressure tracker
adam-yang Apr 21, 2025
d4fd382
clang format
adam-yang Apr 21, 2025
4f7d0da
LLVM Style
adam-yang Apr 22, 2025
3cb2c8d
Avoid duplicate shadow variable names
adam-yang May 1, 2025
0775bb8
Big cleanup to clarify the flow of data, the purpose of functions, etc
adam-yang May 2, 2025
f861409
Deleted the isLocal* functions from Utils
adam-yang May 5, 2025
eaaf6dd
Fixed SCC, and updated and simplified tests
adam-yang May 7, 2025
d755d52
call empty instead of size==0
adam-yang May 7, 2025
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4 changes: 4 additions & 0 deletions llvm/lib/Target/AMDGPU/AMDGPU.h
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Original file line number Diff line number Diff line change
Expand Up @@ -530,6 +530,10 @@ extern char &GCNRewritePartialRegUsesID;
void initializeAMDGPUWaitSGPRHazardsLegacyPass(PassRegistry &);
extern char &AMDGPUWaitSGPRHazardsLegacyID;

void initializeAMDGPUHotBlockRematerializePass(llvm::PassRegistry &);
FunctionPass *createAMDGPUHotBlockRematerializePass();
extern char &AMDGPUHotBlockRematerializeID;

namespace AMDGPU {
enum TargetIndex {
TI_CONSTDATA_START,
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