File: cmp-fast-isel.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (45 lines) | stat: -rw-r--r-- 762 bytes parent folder | download | duplicates (33) 
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
40
41
42
43
44
45
 
; RUN: llc -mtriple=x86_64-linux -fast-isel -show-mc-encoding < %s | FileCheck %s

; pr22854

define i32 @f1(i16 %x) {
; CHECK-LABEL: f1:
; CHECK: cmpw	$42, %di               # encoding: [0x66,0x83,0xff,0x2a]
bb0:
  %cmp = icmp ne i16 %x, 42
  br i1 %cmp, label %bb3, label %bb7

bb3:
  ret i32 1

bb7:
  ret i32 2
}

define i32 @f2(i32 %x) {
; CHECK-LABEL: f2:
; CHECK: cmpl	$42, %edi               # encoding: [0x83,0xff,0x2a]
bb0:
  %cmp = icmp ne i32 %x, 42
  br i1 %cmp, label %bb3, label %bb7

bb3:
  ret i32 1

bb7:
  ret i32 2
}

define i32 @f3(i64 %x) {
; CHECK-LABEL: f3:
; CHECK: cmpq	$42, %rdi               # encoding: [0x48,0x83,0xff,0x2a]
bb0:
  %cmp = icmp ne i64 %x, 42
  br i1 %cmp, label %bb3, label %bb7

bb3:
  ret i32 1

bb7:
  ret i32 2
}