File: thumb2-ldr_ext.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (38 lines) | stat: -rw-r--r-- 757 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s

define i32 @test1(i8* %v.pntr.s0.u1) {
    %tmp.u = load i8, i8* %v.pntr.s0.u1
    %tmp1.s = zext i8 %tmp.u to i32
    ret i32 %tmp1.s
}

define i32 @test2(i16* %v.pntr.s0.u1) {
    %tmp.u = load i16, i16* %v.pntr.s0.u1
    %tmp1.s = zext i16 %tmp.u to i32
    ret i32 %tmp1.s
}

define i32 @test3(i8* %v.pntr.s1.u0) {
    %tmp.s = load i8, i8* %v.pntr.s1.u0
    %tmp1.s = sext i8 %tmp.s to i32
    ret i32 %tmp1.s
}

define i32 @test4() {
    %tmp.s = load i16, i16* null
    %tmp1.s = sext i16 %tmp.s to i32
    ret i32 %tmp1.s
}

; CHECK: ldrb
; CHECK-NOT: ldrb

; CHECK: ldrh
; CHECK-NOT: ldrh

; CHECK: ldrsb
; CHECK-NOT: ldrsb

; CHECK: ldrsh
; CHECK-NOT: ldrsh