28b3190053
Cygwin and MinGW share the auto import behavior that could result in __stack_check_guard being non-dso-local. Allow windres to assume a Cygwin target as well as a MinGW one, so defines like _WIN32 would not be present on Cygwin.
33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-w64-mingw32 < %s -o - | FileCheck --check-prefix=MINGW %s
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; RUN: llc -mtriple=x86_64-pc-cygwin < %s -o - | FileCheck --check-prefix=MINGW %s
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; RUN: llc -mtriple=x86_64-pc-windows-itanium < %s -o - | FileCheck --check-prefix=MSVC %s
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; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s -o - | FileCheck --check-prefix=MSVC %s
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; RUN: llc -mtriple=i686-w64-mingw32 < %s -o - | FileCheck --check-prefix=MINGW %s
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; RUN: llc -mtriple=i686-pc-cygwin < %s -o - | FileCheck --check-prefix=MINGW %s
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declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
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declare dso_local void @other(ptr)
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declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
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define dso_local void @func() sspstrong {
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entry:
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; MINGW-LABEL: func:
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; MINGW: mov{{l|q}} .refptr.[[PREFIX:_?]]__stack_chk_guard{{(\(%rip\))?}}, [[REG:%[a-z]+]]
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; MINGW: mov{{l|q}} ([[REG]])
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; MINGW: call{{l|q}} [[PREFIX]]other
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; MINGW: mov{{l|q}} ([[REG]])
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; MINGW: call{{l|q}} [[PREFIX]]__stack_chk_fail
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; MSVC-LABEL: func:
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; MSVC: mov{{l|q}} __security_cookie
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; MSVC: callq other
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; MSVC: callq __security_check_cookie
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; MSVC: .seh_endproc
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%c = alloca i8, align 1
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call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %c)
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call void @other(ptr nonnull %c)
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call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %c)
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ret void
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}
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