File: thumb2-cbnz.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 (34 lines) | stat: -rw-r--r-- 1,020 bytes parent folder | download | duplicates (12) 
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
 
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 | FileCheck %s
; rdar://7354379

declare double @foo(double) nounwind readnone

define void @t(i32 %c, double %b) {
entry:
; CHECK:      cmp	r0, #0
  %cmp1 = icmp ne i32 %c, 0
  br i1 %cmp1, label %bb3, label %bb1

bb1:                                              ; preds = %entry
  unreachable

bb3:                                              ; preds = %entry
  %cmp2 = icmp ne i32 %c, 0
  br i1 %cmp2, label %bb7, label %bb5

bb5:                                              ; preds = %bb3
  unreachable

bb7:                                              ; preds = %bb3
  %cmp3 = icmp ne i32 %c, 0
  br i1 %cmp3, label %bb11, label %bb9

bb9:                                              ; preds = %bb7
; CHECK:      cbnz
  %0 = tail call  double @foo(double %b) nounwind readnone ; <double> [#uses=0]
  br label %bb11

bb11:                                             ; preds = %bb9, %bb7
  store i32 0, ptr undef
  ret void
}