8c8dbc1082
Pass swift_async context in a callee-saved register rather than as a regular parameter. This is similar to the Swift `self` and `error` parameters.
18 lines
398 B
LLVM
18 lines
398 B
LLVM
; RUN: llc -mtriple x86_64-unknown-windows-msvc %s -o - | FileCheck %s
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; RUN: llc -mtriple x86_64-unknown-windows-msvc %s -o - -fast-isel | FileCheck %s
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define i8* @argument(i8* swiftasync %in) {
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ret i8* %in
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}
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; CHECK-LABEL: argument:
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; CHECK: movq %r14, %rax
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define void @call(i8* %in) {
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call i8* @argument(i8* swiftasync %in)
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ret void
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}
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; CHECK-LABEL: call:
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; CHECK: movq %rcx, %r14
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