File: thumb2-select_xform.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (39 lines) | stat: -rw-r--r-- 1,008 bytes parent folder | download | duplicates (16)
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
39
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s

define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind {
; CHECK: t1
; CHECK: mov r0, r1
; CHECK: mvn r1, #-2147483648
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: addle r0, r1
        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 2147483647
        %tmp3 = add i32 %tmp2, %b
        ret i32 %tmp3
}

define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind {
; CHECK: t2
; CHECK: mov r0, r1
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: addle.w r0, r0, #-2147483648

        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 2147483648
        %tmp3 = add i32 %tmp2, %b
        ret i32 %tmp3
}

define i32 @t3(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
; CHECK: t3
; CHECK: mov r0, r1
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: suble r0, #10
        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 10
        %tmp3 = sub i32 %b, %tmp2
        ret i32 %tmp3
}