| ; 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 i8* @fp0() nounwind { | |
| entry: | |
| ; CHECK-LABEL: fp0: | |
| ; CHECK: la %r2, 0(%r15) | |
| ; CHECK: br %r14 | |
| %0 = tail call i8* @llvm.frameaddress(i32 0) | |
| ret i8* %0 | |
| } | |
| ; Check that the frame address is correct in a presence | |
| ; of a stack frame. | |
| define i8* @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 i8* @llvm.frameaddress(i32 0) | |
| ret i8* %1 | |
| } | |
| declare i8* @llvm.frameaddress(i32) nounwind readnone |