36 lines
898 B
LLVM
36 lines
898 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;; Testing that x18 is not clobbered when passing pointers with the nest
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;; attribute on windows
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; RUN: llc < %s -mtriple=aarch64-pc-windows-msvc | FileCheck %s --check-prefixes=CHECK,CHECK-NO-X18
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; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s --check-prefixes=CHECK,CHECK-X18
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define dso_local i64 @other(ptr nest %p) #0 {
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; CHECK-LABEL: other:
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; CHECK-X18: ldr x0, [x18]
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; CHECK-NO-X18: ldr x0, [x0]
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%r = load i64, ptr %p
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; CHECK: ret
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ret i64 %r
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}
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define dso_local void @func() #0 {
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; CHECK-LABEL: func:
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entry:
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%p = alloca i64
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; CHECK: mov w8, #1
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; CHECK: stp x30, x8, [sp, #-16]
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; CHECK-X18: add x18, sp, #8
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store i64 1, ptr %p
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; CHECK-NO-X18: add x0, sp, #8
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; CHECK: bl other
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call void @other(ptr nest %p)
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; CHECK: ldr x30, [sp], #16
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; CHECK: ret
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ret void
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}
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attributes #0 = { nounwind }
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