llvm-project/llvm/test/CodeGen/ARM/ldr.ll

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; RUN: llc < %s -march=arm | grep {ldr r0} | count 7
; RUN: llc < %s -march=arm | grep mov | grep 1
; RUN: llc < %s -march=arm | not grep mvn
; RUN: llc < %s -march=arm | grep ldr | grep lsl
; RUN: llc < %s -march=arm | grep ldr | grep lsr
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define i32 @f1(i32* %v) {
entry:
%tmp = load i32* %v
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ret i32 %tmp
}
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define i32 @f2(i32* %v) {
entry:
%tmp2 = getelementptr i32* %v, i32 1023
%tmp = load i32* %tmp2
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ret i32 %tmp
}
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define i32 @f3(i32* %v) {
entry:
%tmp2 = getelementptr i32* %v, i32 1024
%tmp = load i32* %tmp2
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ret i32 %tmp
}
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define i32 @f4(i32 %base) {
entry:
%tmp1 = sub i32 %base, 128
%tmp2 = inttoptr i32 %tmp1 to i32*
%tmp3 = load i32* %tmp2
ret i32 %tmp3
}
define i32 @f5(i32 %base, i32 %offset) {
entry:
%tmp1 = add i32 %base, %offset
%tmp2 = inttoptr i32 %tmp1 to i32*
%tmp3 = load i32* %tmp2
ret i32 %tmp3
}
define i32 @f6(i32 %base, i32 %offset) {
entry:
%tmp1 = shl i32 %offset, 2
%tmp2 = add i32 %base, %tmp1
%tmp3 = inttoptr i32 %tmp2 to i32*
%tmp4 = load i32* %tmp3
ret i32 %tmp4
}
define i32 @f7(i32 %base, i32 %offset) {
entry:
%tmp1 = lshr i32 %offset, 2
%tmp2 = add i32 %base, %tmp1
%tmp3 = inttoptr i32 %tmp2 to i32*
%tmp4 = load i32* %tmp3
ret i32 %tmp4
}