source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Analysis/LoopInfo/2003-05-15-NestingProblem.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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1; This testcase was incorrectly computing that the loopentry.7 loop was
2; not a child of the loopentry.6 loop.
3;
4; RUN: opt < %s -analyze -loops | FileCheck %s
5; RUN: opt < %s -passes='print<loops>' -disable-output 2>&1 | FileCheck %s
6
7; CHECK: Loop at depth 4 containing: %loopentry.7<header><latch><exiting>
8
9define void @getAndMoveToFrontDecode() {
10        br label %endif.2
11
12endif.2:                ; preds = %loopexit.5, %0
13        br i1 false, label %loopentry.5, label %UnifiedExitNode
14
15loopentry.5:            ; preds = %loopexit.6, %endif.2
16        br i1 false, label %loopentry.6, label %UnifiedExitNode
17
18loopentry.6:            ; preds = %loopentry.7, %loopentry.5
19        br i1 false, label %loopentry.7, label %loopexit.6
20
21loopentry.7:            ; preds = %loopentry.7, %loopentry.6
22        br i1 false, label %loopentry.7, label %loopentry.6
23
24loopexit.6:             ; preds = %loopentry.6
25        br i1 false, label %loopentry.5, label %loopexit.5
26
27loopexit.5:             ; preds = %loopexit.6
28        br i1 false, label %endif.2, label %UnifiedExitNode
29
30UnifiedExitNode:                ; preds = %loopexit.5, %loopentry.5, %endif.2
31        ret void
32}
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