test/CodeGen/Thumb2/thumb2-str_post.ll


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s

define i16 @test1(i32* %X, i16* %A) {
; CHECK-LABEL: test1:
; CHECK: strh {{.*}}[{{.*}}], #-4
        %Y = load i32, 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) {
; CHECK-LABEL: test2:
; CHECK: str {{.*}}[{{.*}}],
        %Y = load i32, 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
}