1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 2; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck --check-prefix=CHECK %s 3 4; The current function's frame address is the address of 5; the optional back chain slot. 6define ptr @fp0() nounwind { 7; CHECK-LABEL: fp0: 8; CHECK: la 3,2048(4) 9; CHECK-NEXT: b 2(7) 10entry: 11 %0 = tail call ptr @llvm.frameaddress(i32 0) 12 ret ptr %0 13} 14 15; Check that the frame address is correct in a presence 16; of a stack frame. 17define ptr @fp0f() nounwind { 18; CHECK-LABEL: fp0f: 19; CHECK: stmg 6,7,1904(4) 20; CHECK-NEXT: aghi 4,-160 21; CHECK-NEXT: la 3,2048(4) 22; CHECK-NEXT: lg 7,2072(4) 23; CHECK-NEXT: aghi 4,160 24; CHECK-NEXT: b 2(7) 25entry: 26 %0 = alloca i64, align 8 27 %1 = tail call ptr @llvm.frameaddress(i32 0) 28 ret ptr %1 29} 30 31; Check the caller's frame address. 32define ptr @fpcaller() nounwind "backchain" { 33; CHECK-LABEL: fpcaller: 34; CHECK: stmg 4,7,2048(4) 35; CHECK-NEXT: lg 3,2048(4) 36; CHECK-NEXT: lmg 4,7,2048(4) 37; CHECK-NEXT: b 2(7) 38entry: 39 %0 = tail call ptr @llvm.frameaddress(i32 1) 40 ret ptr %0 41} 42 43; Check the caller's frame address. 44define ptr @fpcallercaller() nounwind "backchain" { 45; CHECK-LABEL: fpcallercaller: 46; CHECK: stmg 4,7,2048(4) 47; CHECK-NEXT: lg 1,2048(4) 48; CHECK-NEXT: lg 3,0(1) 49; CHECK-NEXT: lmg 4,7,2048(4) 50; CHECK-NEXT: b 2(7) 51entry: 52 %0 = tail call ptr @llvm.frameaddress(i32 2) 53 ret ptr %0 54} 55 56declare ptr @llvm.frameaddress(i32) nounwind readnone 57