xref: /llvm-project/llvm/test/CodeGen/ARM/ldr_pre.ll (revision bed1c7f061aa12417aa081e334afdba45767b938)
1; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
2; RUN: llc -mtriple=arm-eabi -mcpu=swift %s -o - | FileCheck %s
3
4; CHECK-LABEL: test1:
5; CHECK: ldr {{.*!}}
6; CHECK-NOT: ldr
7define ptr @test1(ptr %X, ptr %dest) {
8        %Y = getelementptr i32, ptr %X, i32 4               ; <ptr> [#uses=2]
9        %A = load i32, ptr %Y               ; <i32> [#uses=1]
10        store i32 %A, ptr %dest
11        ret ptr %Y
12}
13
14; CHECK-LABEL: test2:
15; CHECK: ldr {{.*!}}
16; CHECK-NOT: ldr
17define i32 @test2(i32 %a, i32 %b, i32 %c) {
18        %tmp1 = sub i32 %a, %b          ; <i32> [#uses=2]
19        %tmp2 = inttoptr i32 %tmp1 to ptr              ; <ptr> [#uses=1]
20        %tmp3 = load i32, ptr %tmp2         ; <i32> [#uses=1]
21        %tmp4 = sub i32 %tmp1, %c               ; <i32> [#uses=1]
22        %tmp5 = add i32 %tmp4, %tmp3            ; <i32> [#uses=1]
23        ret i32 %tmp5
24}
25