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| # RUN: llc -run-pass arm-prera-ldst-opt %s -o - | FileCheck %s
--- |
target triple = "thumbv7---eabi"
define void @ldrd_strd_aa(i32* noalias nocapture %x, i32* noalias nocapture readonly %y) {
entry:
%0 = load i32, i32* %y, align 4
store i32 %0, i32* %x, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %y, i32 1
%1 = load i32, i32* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32, i32* %x, i32 1
store i32 %1, i32* %arrayidx3, align 4
ret void
}
...
---
name: ldrd_strd_aa
alignment: 2
tracksRegLiveness: true
liveins:
- { reg: '$r0', virtual-reg: '%0' }
- { reg: '$r1', virtual-reg: '%1' }
body: |
bb.0.entry:
liveins: $r0, $r1
%1 : gpr = COPY $r1
%0 : gpr = COPY $r0
%2 : gpr = t2LDRi12 %1, 0, 14, $noreg :: (load 4 from %ir.y)
t2STRi12 killed %2, %0, 0, 14, $noreg :: (store 4 into %ir.x)
%3 : gpr = t2LDRi12 %1, 4, 14, $noreg :: (load 4 from %ir.arrayidx2)
t2STRi12 killed %3, %0, 4, 14, $noreg :: (store 4 into %ir.arrayidx3)
; CHECK: t2LDRi12
; CHECK-NEXT: t2LDRi12
; CHECK-NEXT: t2STRi12
; CHECK-NEXT: t2STRi12
tBX_RET 14, $noreg
...
|