add test cases for frameaddr and returnaddr for aarch64
llvm-svn: 193626
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
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define i8* @t() nounwind {
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entry:
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; CHECK-LABEL: t:
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; CHECK: mov x0, x29
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%0 = call i8* @llvm.frameaddress(i32 0)
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ret i8* %0
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}
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define i8* @t2() nounwind {
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entry:
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; CHECK-LABEL: t2:
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; CHECK: ldr x[[reg:[0-9]+]], [x29]
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; CHECK: ldr x[[reg]], [x[[reg]]]
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%0 = call i8* @llvm.frameaddress(i32 2)
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ret i8* %0
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}
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declare i8* @llvm.frameaddress(i32) nounwind readnone
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
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define i8* @rt0(i32 %x) nounwind readnone {
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entry:
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; CHECK-LABEL: rt0:
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; CHECK: mov x0, x30
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%0 = tail call i8* @llvm.returnaddress(i32 0)
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ret i8* %0
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}
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define i8* @rt2() nounwind readnone {
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entry:
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; CHECK-LABEL: rt2:
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; CHECK: ldr x[[reg:[0-9]+]], [x29]
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; CHECK: ldr x[[reg]], [x[[reg]]]
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; CHECK: ldr x0, [x[[reg]], #8]
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%0 = tail call i8* @llvm.returnaddress(i32 2)
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ret i8* %0
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}
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declare i8* @llvm.returnaddress(i32) nounwind readnone
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