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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-ibm-linux | FileCheck %s
; Verify that we correctly lower ISD::READCYCLECOUNTER.
define i64 @test_builtin_readcyclecounter1() {
; CHECK-LABEL: test_builtin_readcyclecounter1:
; CHECK: # %bb.0:
; CHECK-NEXT: aghi %r15, -168
; CHECK-NEXT: .cfi_def_cfa_offset 328
; CHECK-NEXT: stckf 160(%r15)
; CHECK-NEXT: lg %r2, 160(%r15)
; CHECK-NEXT: aghi %r15, 168
; CHECK-NEXT: br %r14
%1 = tail call i64 @llvm.readcyclecounter()
ret i64 %1
}
define void @test_builtin_readcyclecounter2(ptr %ptr) {
; CHECK-LABEL: test_builtin_readcyclecounter2:
; CHECK: # %bb.0:
; CHECK-NEXT: stckf 0(%r2)
; CHECK-NEXT: br %r14
%1 = tail call i64 @llvm.readcyclecounter()
store i64 %1, ptr %ptr
ret void
}
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