Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions

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; 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