xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/ldr_post.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm-eabi -mcpu=swift %s -o - | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1:
5*9880d681SAndroid Build Coastguard Worker; CHECK: ldr {{.*, \[.*]}}, -r2
6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ldr
7*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %a, i32 %b, i32 %c) {
8*9880d681SAndroid Build Coastguard Worker        %tmp1 = mul i32 %a, %b          ; <i32> [#uses=2]
9*9880d681SAndroid Build Coastguard Worker        %tmp2 = inttoptr i32 %tmp1 to i32*              ; <i32*> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker        %tmp3 = load i32, i32* %tmp2         ; <i32> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker        %tmp4 = sub i32 %tmp1, %c               ; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker        %tmp5 = mul i32 %tmp4, %tmp3            ; <i32> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker        ret i32 %tmp5
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2:
17*9880d681SAndroid Build Coastguard Worker; CHECK: ldr {{.*, \[.*\]}}, #-16
18*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ldr
19*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %a, i32 %b) {
20*9880d681SAndroid Build Coastguard Worker        %tmp1 = mul i32 %a, %b          ; <i32> [#uses=2]
21*9880d681SAndroid Build Coastguard Worker        %tmp2 = inttoptr i32 %tmp1 to i32*              ; <i32*> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker        %tmp3 = load i32, i32* %tmp2         ; <i32> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker        %tmp4 = sub i32 %tmp1, 16               ; <i32> [#uses=1]
24*9880d681SAndroid Build Coastguard Worker        %tmp5 = mul i32 %tmp4, %tmp3            ; <i32> [#uses=1]
25*9880d681SAndroid Build Coastguard Worker        ret i32 %tmp5
26*9880d681SAndroid Build Coastguard Worker}
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