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29 lines
978 B
LLVM
29 lines
978 B
LLVM
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; RUN: llc < %s -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN_X32
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; RUN: llc < %s -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X32
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; RUN: llc < %s -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX
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; RUN: llc < %s -O0 -mtriple=i686-pc-win32 | FileCheck %s -check-prefix=WIN_X32
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; RUN: llc < %s -O0 -mtriple=i686-pc-mingw32 | FileCheck %s -check-prefix=MINGW_X32
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; RUN: llc < %s -O0 -mtriple=i386-pc-linux | FileCheck %s -check-prefix=LINUX
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; The SysV ABI used by most Unixes and Mingw on x86 specifies that an sret pointer
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; is callee-cleanup. However, in MSVC's cdecl calling convention, sret pointer
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; arguments are caller-cleanup like normal arguments.
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define void @sret1(i8* sret) nounwind {
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entry:
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; WIN_X32: {{ret$}}
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; MINGW_X32: ret $4
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; LINUX: ret $4
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ret void
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}
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define void @sret2(i32* sret %x, i32 %y) nounwind {
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entry:
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; WIN_X32: {{ret$}}
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; MINGW_X32: ret $4
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; LINUX: ret $4
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store i32 %y, i32* %x
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ret void
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}
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