source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Analysis/ScalarEvolution/zext-wrap.ll @ 5027

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

Upgrade to llvm 3.8

File size: 655 bytes
Line 
1; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
2; PR4569
3
4define i16 @main() nounwind {
5entry:
6        br label %bb.i
7
8bb.i:           ; preds = %bb1.i, %bb.nph
9        %l_95.0.i1 = phi i8 [ %tmp1, %bb.i ], [ 0, %entry ]
10
11; This cast shouldn't be folded into the addrec.
12; CHECK: %tmp = zext i8 %l_95.0.i1 to i16
13; CHECK: -->  (zext i8 {0,+,-1}<nw><%bb.i> to i16){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 2
14
15        %tmp = zext i8 %l_95.0.i1 to i16
16
17        %tmp1 = add i8 %l_95.0.i1, -1
18        %phitmp = icmp eq i8 %tmp1, 1
19        br i1 %phitmp, label %bb1.i.func_36.exit_crit_edge, label %bb.i
20
21bb1.i.func_36.exit_crit_edge:
22        ret i16 %tmp
23}
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