16 lines
352 B
LLVM
16 lines
352 B
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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define i8* @get_stack() nounwind {
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entry:
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; CHECK-LABEL: get_stack:
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; CHECK: lgr %r2, %r15
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; CHECK-NEXT: br %r14
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%0 = call i64 @llvm.read_register.i64(metadata !0)
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%1 = inttoptr i64 %0 to i8*
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ret i8* %1
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}
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declare i64 @llvm.read_register.i64(metadata) nounwind
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!0 = !{!"r15"}
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