File: thumb2-str_post.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
; RUN:   grep {strh .*\\\[.*\], #-4} | count 1
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
; RUN:   grep {str .*\\\[.*\],} | count 1

define i16 @test1(i32* %X, i16* %A) {
        %Y = load i32* %X               ; <i32> [#uses=1]
        %tmp1 = trunc i32 %Y to i16             ; <i16> [#uses=1]
        store i16 %tmp1, i16* %A
        %tmp2 = ptrtoint i16* %A to i16         ; <i16> [#uses=1]
        %tmp3 = sub i16 %tmp2, 4                ; <i16> [#uses=1]
        ret i16 %tmp3
}

define i32 @test2(i32* %X, i32* %A) {
        %Y = load i32* %X               ; <i32> [#uses=1]
        store i32 %Y, i32* %A
        %tmp1 = ptrtoint i32* %A to i32         ; <i32> [#uses=1]
        %tmp2 = sub i32 %tmp1, 4                ; <i32> [#uses=1]
        ret i32 %tmp2
}