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llvm-mirror/test/Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.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

24 lines
975 B
LLVM

; RUN: opt < %s -loop-reduce -S | \
; RUN: not grep {bitcast i32 1 to i32}
; END.
; The setlt wants to use a value that is incremented one more than the dominant
; IV. Don't insert the 1 outside the loop, preventing folding it into the add.
define void @test([700 x i32]* %nbeaux_.0__558, i32* %i_.16574) {
then.0:
br label %no_exit.2
no_exit.2: ; preds = %no_exit.2, %then.0
%indvar630 = phi i32 [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <i32> [#uses=4]
%gep.upgrd.1 = zext i32 %indvar630 to i64 ; <i64> [#uses=1]
%tmp.38 = getelementptr [700 x i32]* %nbeaux_.0__558, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1]
store i32 0, i32* %tmp.38
%inc.2 = add i32 %indvar630, 2 ; <i32> [#uses=2]
%tmp.34 = icmp slt i32 %inc.2, 701 ; <i1> [#uses=1]
%indvar.next631 = add i32 %indvar630, 1 ; <i32> [#uses=1]
br i1 %tmp.34, label %no_exit.2, label %loopexit.2.loopexit
loopexit.2.loopexit: ; preds = %no_exit.2
store i32 %inc.2, i32* %i_.16574
ret void
}