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GPURuntimeDebugPrinter: Printer pointer values (except if they are strings)

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Only pointer values in constant address space are assumed to be strings. For
all other pointers their address is printed.

llvm-svn: 242524
This commit is contained in:
Tobias Grosser 2015-07-17 13:57:57 +00:00
parent 2204137df9
commit 495124c4d6
1 changed files with 12 additions and 7 deletions
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19
polly/lib/CodeGen/RuntimeDebugBuilder.cpp
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@ -130,14 +130,19 @@ void RuntimeDebugBuilder::createGPUVAPrinter(PollyIRBuilder &Builder,
Ty = Builder.getInt64Ty();
Val = Builder.CreateSExt(Val, Ty);
}
} else if (auto PtTy = dyn_cast<PointerType>(Ty)) {
if (PtTy->getAddressSpace() == 4) {
// Pointers in constant address space are printed as strings
Val = Builder.CreateGEP(Val, Builder.getInt64(0));
auto F = RuntimeDebugBuilder::getAddressSpaceCast(Builder, 4, 0);
Val = Builder.CreateCall(F, Val);
Ty = Val->getType();
} else {
Val = Builder.CreatePtrToInt(Val, Builder.getInt64Ty());
Ty = Val->getType();
}
} else {
// If it is not a number, it must be a string type.
Val = Builder.CreateGEP(Val, Builder.getInt64(0));
assert((Val->getType() == Builder.getInt8PtrTy(4)) &&
"Expected i8 ptr placed in constant address space");
auto F = RuntimeDebugBuilder::getAddressSpaceCast(Builder, 4, 0);
Val = Builder.CreateCall(F, Val);
Ty = Val->getType();
llvm_unreachable("Unknown type");
}
Ptr = Builder.CreatePointerBitCastOrAddrSpaceCast(Ptr, Ty->getPointerTo(5));