22 lines
936 B
LLVM
22 lines
936 B
LLVM
; RUN: llc -mtriple aarch64-unknown-windows-msvc %s -o - | FileCheck %s
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define internal swifttailcc void @"?future_adapter@@YWXPEAVAsyncContext@swift@@@Z"(ptr noundef swiftasync %_context) #0 {
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entry:
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%add.ptr = getelementptr inbounds i8, ptr %_context, i64 -32
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%asyncEntryPoint = getelementptr inbounds i8, ptr %_context, i64 -24
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%0 = load ptr, ptr %asyncEntryPoint, align 8
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%closureContext = getelementptr inbounds i8, ptr %_context, i64 -16
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%1 = load ptr, ptr %closureContext, align 8
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%2 = load ptr, ptr %add.ptr, align 8
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musttail call swifttailcc void %0(ptr noundef %2, ptr noundef swiftasync %_context, ptr noundef swiftself %1) #17
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ret void
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}
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; Check that x20 isn't saved/restored at the prologue/epilogue which
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; would interfere with the outgoing self parameter on x20 at the tail
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; call.
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; CHECK-NOT: st{{.*}}x20
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; CHECK: ldp x1, x20, [x22, #-24]
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; CHECK-NEXT: ldur x0, [x22, #-32]
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; CHECK-NEXT: br x1
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