test/CodeGen/Thumb2/thumb2-str_pre.ll


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

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

define void @test1(i32* %X, i32* %A, i32** %dest) {
; CHECK: test1
; CHECK: str  r1, [r0, #16]!
        %B = load i32* %A               ; <i32> [#uses=1]
        %Y = getelementptr i32* %X, i32 4               ; <i32*> [#uses=2]
        store i32 %B, i32* %Y
        store i32* %Y, i32** %dest
        ret void
}

define i16* @test2(i16* %X, i32* %A) {
; CHECK: test2
; CHECK: strh r1, [r0, #8]!
        %B = load i32* %A               ; <i32> [#uses=1]
        %Y = getelementptr i16* %X, i32 4               ; <i16*> [#uses=2]
        %tmp = trunc i32 %B to i16              ; <i16> [#uses=1]
        store i16 %tmp, i16* %Y
        ret i16* %Y
}