File: ldr_pre.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (24 lines) | stat: -rw-r--r-- 863 bytes parent folder | download | duplicates (14) 
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 ptr @test1(ptr %X, ptr %dest) {
        %Y = getelementptr i32, ptr %X, i32 4               ; <ptr> [#uses=2]
        %A = load i32, ptr %Y               ; <i32> [#uses=1]
        store i32 %A, ptr %dest
        ret ptr %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 ptr              ; <ptr> [#uses=1]
        %tmp3 = load i32, ptr %tmp2         ; <i32> [#uses=1]
        %tmp4 = sub i32 %tmp1, %c               ; <i32> [#uses=1]
        %tmp5 = add i32 %tmp4, %tmp3            ; <i32> [#uses=1]
        ret i32 %tmp5
}