e098281c27
Because of shrink wrapping, the block to insert epilog may don't have instructions (Only debug instructions). And the position to insert may point to MBB.end() that don't have a DebugLoc. This patch fix this problem. The test program was copied from the issue:https://github.com/llvm/llvm-project/issues/53662 Reviewed By: luismarques Differential Revision: https://reviews.llvm.org/D123679
39 lines
823 B
YAML
39 lines
823 B
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=riscv64 -run-pass=prologepilog -o - %s | FileCheck %s
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--- |
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define void @b() {
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entry:
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unreachable
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}
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...
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---
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name: b
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frameInfo:
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savePoint: '%bb.0'
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restorePoint: '%bb.1'
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body: |
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; CHECK-LABEL: name: b
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: PseudoBR %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: DBG_VALUE $noreg
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: PseudoRET implicit killed $x10
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bb.0 :
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PseudoBR %bb.1
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bb.1:
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DBG_VALUE $noreg
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bb.2:
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PseudoRET implicit killed $x10
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...
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