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llvm-mirror/test/CodeGen/PowerPC/big-endian-store-forward.ll
Nirav Dave 56ac74189b [DAG] Fix Big Endian in Load-Store forwarding
Summary:
Correct offset calculation in load-store forwarding for big-endian
targets.

Reviewers: rnk, RKSimon, waltl

Subscribers: sdardis, nemanjai, hiraditya, jrtc27, atanasyan, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D53147

llvm-svn: 344272
2018-10-11 18:28:59 +00:00

17 lines
370 B
LLVM

; RUN: llc -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s
; The load is to the high byte of the 2-byte store
@g = global i8 -75
define void @f(i16 %v) {
; CHECK-LABEL: f
; CHECK: sth 3, -2(1)
; CHECK: lbz 3, -2(1)
%p32 = alloca i16
store i16 %v, i16* %p32
%p16 = bitcast i16* %p32 to i8*
%tmp = load i8, i8* %p16
store i8 %tmp, i8* @g
ret void
}