File: loop_evaluate_2.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (29 lines) | stat: -rw-r--r-- 1,098 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
22
23
24
25
26
27
28
29
 
; RUN: opt < %s -indvars -loop-deletion -simplifycfg -simplifycfg-require-and-preserve-domtree=1 | opt -analyze -loops -enable-new-pm=0 | FileCheck %s
; PR1179

; CHECK-NOT: Loop Containing

define i32 @ltst(i32 %x) {
entry:
        icmp sgt i32 %x, 0              ; <i1>:0 [#uses=1]
        br i1 %0, label %bb.preheader, label %bb8

bb.preheader:           ; preds = %entry
        br label %bb

bb:             ; preds = %bb, %bb.preheader
        %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
        %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
        %tmp4 = add i32 %i.01.0, 1              ; <i32> [#uses=2]
        %tmp2 = add i32 %j.03.0, 1              ; <i32> [#uses=2]
        icmp slt i32 %tmp4, %x          ; <i1>:1 [#uses=1]
        br i1 %1, label %bb, label %bb8.loopexit

bb8.loopexit:           ; preds = %bb
        br label %bb8

bb8:            ; preds = %bb8.loopexit, %entry
        %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ]               ; <i32> [#uses=1]
        ret i32 %j.03.1
}