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40f680ac82
We'll set it back to true in emitPrologue if it gets called. It doesn't get called for naked functions. Fixes PR32912 llvm-svn: 302092
41 lines
874 B
LLVM
41 lines
874 B
LLVM
; RUN: llc < %s -O1 -mtriple=x86_64-pc-win32 | FileCheck %s -check-prefix=ASM
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; RUN: llc < %s -O1 -mtriple=x86_64-pc-win32 -filetype=obj -o %t
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; RUN: llvm-readobj -unwind %t | FileCheck %s -check-prefix=READOBJ
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declare void @g(i32)
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define i32 @not_leaf(i32) uwtable {
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entry:
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call void @g(i32 42)
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ret i32 42
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; ASM-LABEL: not_leaf:
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; ASM: .seh
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; READOBJ: RuntimeFunction {
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; READOBJ-NEXT: StartAddress: not_leaf
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; READOBJ-NEXT: EndAddress: not_leaf
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}
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define void @leaf_func(i32) uwtable {
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entry:
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tail call void @g(i32 42)
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ret void
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; A Win64 "leaf" function gets no .seh directives in the asm.
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; ASM-LABEL: leaf_func:
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; ASM-NOT: .seh
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; and no unwind info in the object file.
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; READOBJ-NOT: leaf_func
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}
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define void @naked_func() naked {
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call void asm sideeffect "ret", ""()
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unreachable
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}
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; ASM-LABEL: naked_func:
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; ASM-NOT: .seh_
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; ASM: ret
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; ASM-NOT: .seh_
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