1; Test the stackrestore builtin. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5declare ptr@llvm.stacksave() 6declare void @llvm.stackrestore(ptr) 7 8; we should use a frame pointer and tear down the frame based on %r11 9; rather than %r15. 10define void @f1(i32 %count1, i32 %count2) { 11; CHECK-LABEL: f1: 12; CHECK: stmg %r11, %r15, 88(%r15) 13; CHECK: aghi %r15, -160 14; CHECK: lgr %r11, %r15 15; CHECK: lgr %r15, %r{{[0-5]}} 16; CHECK: lmg %r11, %r15, 248(%r11) 17; CHECK: br %r14 18 %src = call ptr@llvm.stacksave() 19 %array1 = alloca i8, i32 %count1 20 store volatile i8 0, ptr %array1 21 call void @llvm.stackrestore(ptr %src) 22 %array2 = alloca i8, i32 %count2 23 store volatile i8 0, ptr %array2 24 ret void 25} 26