Commit 8f1db0cd authored by Hubert Tong's avatar Hubert Tong
Browse files

[AIX] Implement LR prolog/epilog save/restore 

Summary:
This patch fixes the offsets of fields in the stack frame linkage save
area for AIX.

Reviewers: sfertile, hubert.reinterpretcast, jasonliu, Xiangling_L, xingxue, ZarkoCA, daltenty

Reviewed By: hubert.reinterpretcast

Subscribers: wuzish, nemanjai, hiraditya, kbarton, MaskRay, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64424

Patch by Chris Bowler!

llvm-svn: 368691
parent f635e28d

llvm/test/CodeGen/PowerPC/aix-lr.ll

0 → 100644
+32 −0
Original line number Diff line number Diff line 
; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff < %s | \

; RUN: FileCheck --check-prefix=32BIT %s



; RUN: llc -verify-machineinstrs -mtriple powerpc64-ibm-aix-xcoff < %s | \

; RUN: FileCheck --check-prefix=64BIT %s



define void @bar() {

entry:



; 32BIT: mflr 0

; 32BIT: stw 0, 8(1)

; 32BIT: stwu 1, -64(1)

; 32BIT: bl .foo

; 32BIT: nop

; 32BIT: addi 1, 1, 64

; 32BIT: lwz 0, 8(1)

; 32BIT: mtlr 0



; 64BIT: mflr 0

; 64BIT: std 0, 16(1)

; 64BIT: stdu 1, -112(1)

; 64BIT: bl .foo

; 64BIT: nop

; 64BIT: addi 1, 1, 112

; 64BIT: ld 0, 16(1)

; 64BIT: mtlr 0



  call void bitcast (void (...)* @foo to void ()*)()

  ret void

}



declare void @foo(...)