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llvm-mirror/test/Transforms/LoopStrengthReduce/dont_reverse.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

22 lines
513 B
LLVM

; RUN: opt < %s -loop-reduce -S \
; RUN: | grep {icmp eq i2 %lsr.iv.next, %xmp4344}
; Don't reverse the iteration if the rhs of the compare is defined
; inside the loop.
define void @Fill_Buffer() nounwind {
entry:
br label %bb8
bb8:
%indvar34 = phi i32 [ 0, %entry ], [ %indvar.next35, %bb8 ]
%indvar3451 = trunc i32 %indvar34 to i2
%xmp4344 = xor i2 0, -1
%xmp104 = icmp eq i2 %indvar3451, %xmp4344
%indvar.next35 = add i32 %indvar34, 1
br i1 %xmp104, label %bb10, label %bb8
bb10:
unreachable
}