File: ldr_pre.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (24 lines) | stat: -rw-r--r-- 874 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
; RUN: llc -mtriple=arm-eabi -mcpu=swift %s -o - | FileCheck %s

; CHECK-LABEL: test1:
; CHECK: ldr {{.*!}}
; CHECK-NOT: ldr
define i32* @test1(i32* %X, i32* %dest) {
        %Y = getelementptr i32, i32* %X, i32 4               ; <i32*> [#uses=2]
        %A = load i32, i32* %Y               ; <i32> [#uses=1]
        store i32 %A, i32* %dest
        ret i32* %Y
}

; CHECK-LABEL: test2:
; CHECK: ldr {{.*!}}
; CHECK-NOT: ldr
define i32 @test2(i32 %a, i32 %b, i32 %c) {
        %tmp1 = sub i32 %a, %b          ; <i32> [#uses=2]
        %tmp2 = inttoptr i32 %tmp1 to i32*              ; <i32*> [#uses=1]
        %tmp3 = load i32, i32* %tmp2         ; <i32> [#uses=1]
        %tmp4 = sub i32 %tmp1, %c               ; <i32> [#uses=1]
        %tmp5 = add i32 %tmp4, %tmp3            ; <i32> [#uses=1]
        ret i32 %tmp5
}