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6256c01685
R12 is used for the SwiftError parameter. It is no longer a CSR as it is used for transfer the SwiftError, and the caller must preserve it if they need to. llvm-svn: 314165
19 lines
444 B
LLVM
19 lines
444 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-NOT: pushq %r12
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; CHECK: callq f
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; CHECK-NOT: popq %r12
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; CHECK: retq
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