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a689afa09d
Add support for passing SwiftError through a register on the Windows x64 calling convention. This allows the use of swifterror attributes on parameters which is used by the swift front end for the `Error` parameter. This partially enables building the swift standard library for Windows x86_64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313791 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
436 B
LLVM
19 lines
436 B
LLVM
; RUN: llc -mtriple x86_64-unknown-windows-msvc -filetype asm -o - %s | FileCheck %s
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%swift.error = type opaque
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declare swiftcc void @f(%swift.error** swifterror)
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define swiftcc void @g(i8*, i8*, i8*, i8*, %swift.error** swifterror %error) {
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entry:
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call swiftcc void @f(%swift.error** nonnull nocapture swifterror %error)
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ret void
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}
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; CHECK-LABEL: g
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; CHECK: pushq %r12
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; CHECK: callq f
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; CHECK: popq %r12
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; CHECK: retq
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