File: dont_reverse.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (21 lines) | stat: -rw-r--r-- 518 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; RUN: opt < %s -loop-reduce -S \
; RUN:    | grep "icmp eq i2 %lsr.iv.next, %xmp4344"

; Don't reverse the iteration if the rhs of the compare is defined
; inside the loop.

define void @Fill_Buffer(i2* %p) nounwind {
entry:
	br label %bb8

bb8:
	%indvar34 = phi i32 [ 0, %entry ], [ %indvar.next35, %bb8 ]
	%indvar3451 = trunc i32 %indvar34 to i2
	%xmp4344 = load i2* %p
	%xmp104 = icmp eq i2 %indvar3451, %xmp4344
	%indvar.next35 = add i32 %indvar34, 1
	br i1 %xmp104, label %bb10, label %bb8

bb10:
	unreachable
}