• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt < %s -indvars -loop-deletion -simplifycfg | opt -analyze -loops -enable-new-pm=0 | FileCheck %s
2; PR1179
3
4; CHECK-NOT: Loop Containing
5
6define i32 @ltst(i32 %x) {
7entry:
8        icmp sgt i32 %x, 0              ; <i1>:0 [#uses=1]
9        br i1 %0, label %bb.preheader, label %bb8
10
11bb.preheader:           ; preds = %entry
12        br label %bb
13
14bb:             ; preds = %bb, %bb.preheader
15        %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
16        %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ]          ; <i32> [#uses=1]
17        %tmp4 = add i32 %i.01.0, 1              ; <i32> [#uses=2]
18        %tmp2 = add i32 %j.03.0, 1              ; <i32> [#uses=2]
19        icmp slt i32 %tmp4, %x          ; <i1>:1 [#uses=1]
20        br i1 %1, label %bb, label %bb8.loopexit
21
22bb8.loopexit:           ; preds = %bb
23        br label %bb8
24
25bb8:            ; preds = %bb8.loopexit, %entry
26        %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ]               ; <i32> [#uses=1]
27        ret i32 %j.03.1
28}
29
30