17 lines
341 B
LLVM
17 lines
341 B
LLVM
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; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s
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; CHECK-LABEL: get_stack:
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; CHECK: lgr 3, 4
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; CHECK: b 2(7)
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define ptr @get_stack() nounwind {
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entry:
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%0 = call i64 @llvm.read_register.i64(metadata !0)
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%1 = inttoptr i64 %0 to ptr
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ret ptr %1
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}
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declare i64 @llvm.read_register.i64(metadata) nounwind
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!0 = !{!"r4"}
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