xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/negative-offset.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm-eabi -O3 %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind readonly
4*9880d681SAndroid Build Coastguard Workerdefine arm_aapcscc i32 @sum(i32* nocapture readonly %p) #0 {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker;CHECK-LABEL: sum:
7*9880d681SAndroid Build Coastguard Worker;CHECK-NOT: sub
8*9880d681SAndroid Build Coastguard Worker;CHECK: ldr r{{.*}}, [r0, #-16]
9*9880d681SAndroid Build Coastguard Worker;CHECK: ldr r{{.*}}, [r0, #-8]
10*9880d681SAndroid Build Coastguard Worker  %arrayidx = getelementptr inbounds i32, i32* %p, i32 -4
11*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %arrayidx, align 4
12*9880d681SAndroid Build Coastguard Worker  %arrayidx1 = getelementptr inbounds i32, i32* %p, i32 -2
13*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %arrayidx1, align 4
14*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %1, %0
15*9880d681SAndroid Build Coastguard Worker  ret i32 %add
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
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