llvm-for-llvmta/test/CodeGen/SystemZ/frame-10.ll

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2022-04-25 10:02:23 +02:00
; Test the stacksave builtin.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i8 *@llvm.stacksave()
define void @f1(i8 **%dest) {
; CHECK-LABEL: f1:
; CHECK: stg %r15, 0(%r2)
; CHECK: br %r14
%addr = call i8 *@llvm.stacksave()
store volatile i8 *%addr, i8 **%dest
ret void
}