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7178161bf7
It breaks up the function pass manager in the codegen pipeline. With empty parameters, it looks at the -mllvm flag -rewrite-map-file. This is likely not in use. Add a check that we only have one function pass manager in the codegen pipeline. Some tests relied on the fact that we had a module pass somewhere in the codegen pipeline. addr-label.ll crashes on ARM due to this change. This is because a ARMConstantPoolConstant containing a BasicBlock to represent a blockaddress may hold an invalid pointer to a BasicBlock if the blockaddress is invalidated by its BasicBlock getting removed. In that case all referencing blockaddresses are RAUW a constant int. Making ARMConstantPoolConstant::CVal a WeakVH fixes the crash, but I'm not sure that's the right fix. As a workaround, create a barrier right before ISel so that IR optimizations can't happen while a ARMConstantPoolConstant has been created. Reviewed By: rnk, MaskRay, compnerd Differential Revision: https://reviews.llvm.org/D99707
19 lines
457 B
LLVM
19 lines
457 B
LLVM
; RUN: llc -O2 -print-after-all < %s 2>/dev/null
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; RUN: llc -O2 -print-after-all < %s 2>&1 | FileCheck %s --check-prefix=ALL
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; RUN: llc -O2 -print-after-all -filter-print-funcs=foo < %s 2>&1 | FileCheck %s --check-prefix=FOO
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; REQUIRES: default_triple
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define void @tester(){
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ret void
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}
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define void @foo(){
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ret void
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}
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;ALL: define void @tester()
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;ALL: define void @foo()
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;FOO: IR Dump After
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;FOO-NEXT: define void @foo()
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;FOO-NOT: define void @tester
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