1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 04:02:41 +01:00
llvm-mirror/test/Analysis/ScalarEvolution/zext-wrap.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

25 lines
652 B
LLVM

; RUN: opt < %s -analyze -scalar-evolution -disable-output \
; RUN: | FileCheck %s
; PR4569
define i16 @main() nounwind {
entry:
br label %bb.i
bb.i: ; preds = %bb1.i, %bb.nph
%l_95.0.i1 = phi i8 [ %tmp1, %bb.i ], [ 0, %entry ]
; This cast shouldn't be folded into the addrec.
; CHECK: %tmp = zext i8 %l_95.0.i1 to i16
; CHECK: --> (zext i8 {0,+,-1}<bb.i> to i16) Exits: 2
%tmp = zext i8 %l_95.0.i1 to i16
%tmp1 = add i8 %l_95.0.i1, -1
%phitmp = icmp eq i8 %tmp1, 1
br i1 %phitmp, label %bb1.i.func_36.exit_crit_edge, label %bb.i
bb1.i.func_36.exit_crit_edge:
ret i16 %tmp
}