c5978f42ec
Sometimes people get minimal crash reports after a UBSAN incident. This change tags each trap with an integer representing the kind of failure encountered, which can aid in tracking down the root cause of the problem.
19 lines
436 B
LLVM
19 lines
436 B
LLVM
; RUN: llc -mtriple=x86_64-linux-gnu %s -o - | FileCheck %s
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define void @test_ubsantrap() {
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; CHECK-LABEL: test_ubsantrap
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; CHECK: ud1l 12(%eax), %eax
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call void @llvm.ubsantrap(i8 12)
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ret void
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}
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define void @test_ubsantrap_function() {
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; CHECK-LABEL: test_ubsantrap_function:
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; CHECK: movl $12, %edi
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; CHECK: callq wibble
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call void @llvm.ubsantrap(i8 12) "trap-func-name"="wibble"
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ret void
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}
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declare void @llvm.ubsantrap(i8)
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