
Exception handling records are unlinked on function return. However, if there is a musttail call before the return, that's the de-facto point of termination and the unlinking instructions must be inserted *before* that. Fixes #119255
33 lines
718 B
LLVM
33 lines
718 B
LLVM
; RUN: llc < %s | FileCheck %s
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target triple = "i386-pc-windows-msvc"
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; Check that codegen doesn't fail due to wineh inserting instructions between
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; the musttail call and return instruction.
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define void @test() personality ptr @__CxxFrameHandler3 {
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; CHECK-LABEL: test:
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entry:
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invoke void @foo() to label %try.cont unwind label %catch.dispatch
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catch.dispatch:
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%0 = catchswitch within none [label %catch] unwind to caller
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catch:
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%1 = catchpad within %0 [ptr null, i32 64, ptr null]
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catchret from %1 to label %try.cont
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try.cont:
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; CHECK: movl %{{[a-z0-9]+}}, %fs:0
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; CHECK: jmp _bar
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musttail call void @bar()
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ret void
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}
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declare i32 @__CxxFrameHandler3(...)
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declare void @foo()
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declare void @bar()
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