; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s ; The current function's frame address is the address of ; the optional back chain slot. define ptr @fp0() nounwind { entry: ; CHECK-LABEL: fp0: ; CHECK: la %r2, 0(%r15) ; CHECK: br %r14 %0 = tail call ptr @llvm.frameaddress(i32 0) ret ptr %0 } ; Check that the frame address is correct in a presence ; of a stack frame. define ptr @fp0f() nounwind { entry: ; CHECK-LABEL: fp0f: ; CHECK: aghi %r15, -168 ; CHECK: la %r2, 168(%r15) ; CHECK: aghi %r15, 168 ; CHECK: br %r14 %0 = alloca i64, align 8 %1 = tail call ptr @llvm.frameaddress(i32 0) ret ptr %1 } ; Check the caller's frame address. define ptr @fpcaller() nounwind "backchain" { entry: ; CHECK-LABEL: fpcaller: ; CHECK: lg %r2, 0(%r15) ; CHECK: br %r14 %0 = tail call ptr @llvm.frameaddress(i32 1) ret ptr %0 } ; Check the caller's frame address. define ptr @fpcallercaller() nounwind "backchain" { entry: ; CHECK-LABEL: fpcallercaller: ; CHECK: lg %r1, 0(%r15) ; CHECK: lg %r2, 0(%r1) ; CHECK: br %r14 %0 = tail call ptr @llvm.frameaddress(i32 2) ret ptr %0 } declare ptr @llvm.frameaddress(i32) nounwind readnone