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Fix in MachineOperand::printIRValueReference().
Handle the case where getCurrentFunction() returns nullptr by passing -1 to printIRSlotNumber(). This will result in <badref> being printed instead of an assertion failure. Review: Francis Visoiu Mistrih https://reviews.llvm.org/D53333 llvm-svn: 345342
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@ -461,7 +461,8 @@ static void printIRValueReference(raw_ostream &OS, const Value &V,
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printLLVMNameWithoutPrefix(OS, V.getName());
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printLLVMNameWithoutPrefix(OS, V.getName());
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return;
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return;
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}
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}
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MachineOperand::printIRSlotNumber(OS, MST.getLocalSlot(&V));
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int Slot = MST.getCurrentFunction() ? MST.getLocalSlot(&V) : -1;
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MachineOperand::printIRSlotNumber(OS, Slot);
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}
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}
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static void printSyncScope(raw_ostream &OS, const LLVMContext &Context,
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static void printSyncScope(raw_ostream &OS, const LLVMContext &Context,
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19
test/CodeGen/SystemZ/isel-debug.ll
Normal file
19
test/CodeGen/SystemZ/isel-debug.ll
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@ -0,0 +1,19 @@
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; RUN: llc < %s -mtriple=s390x-linux-gnu -debug-only=systemz-isel -o - 2>&1 | \
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; RUN: FileCheck %s
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; REQUIRES: asserts
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;
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; Check that some debug output is printed without problems.
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; CHECK: SystemZAddressingMode
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; CHECK: Base
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; CHECK: Index
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; CHECK: Disp
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define void @fun(i64* %ptr) {
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entry:
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%0 = bitcast i64* %ptr to i32**
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%1 = load i32*, i32** %0, align 8
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%xpv_pv = getelementptr inbounds i32, i32* %1
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store i32 0, i32* %xpv_pv
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ret void
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}
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