llvm/test/Transforms/LoopIndexSplit/2008-05-19-IndVar.ll
Dan Gohman f2f6ce65b7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

41 lines
1.6 KiB
LLVM

; RUN: opt < %s -loop-index-split -stats -disable-output | not grep "loop-index-split"
;PR2294
@g_2 = external global i16 ; <i16*> [#uses=4]
@g_5 = external global i32 ; <i32*> [#uses=1]
@.str = external constant [4 x i8] ; <[4 x i8]*> [#uses=1]
declare void @func_1() nounwind
define i32 @main() nounwind {
entry:
%tmp101.i = load i16* @g_2, align 2 ; <i16> [#uses=1]
%tmp112.i = icmp sgt i16 %tmp101.i, 0 ; <i1> [#uses=1]
br i1 %tmp112.i, label %bb.preheader.i, label %func_1.exit
bb.preheader.i: ; preds = %entry
%g_2.promoted.i = load i16* @g_2 ; <i16> [#uses=1]
br label %bb.i
bb.i: ; preds = %bb6.i, %bb.preheader.i
%g_2.tmp.0.i = phi i16 [ %g_2.promoted.i, %bb.preheader.i ], [ %tmp8.i, %bb6.i ] ; <i16> [#uses=2]
%tmp2.i = icmp eq i16 %g_2.tmp.0.i, 0 ; <i1> [#uses=1]
br i1 %tmp2.i, label %bb4.i, label %bb6.i
bb4.i: ; preds = %bb.i
%tmp5.i = volatile load i32* @g_5, align 4 ; <i32> [#uses=0]
br label %bb6.i
bb6.i: ; preds = %bb4.i, %bb.i
%tmp8.i = add i16 %g_2.tmp.0.i, 1 ; <i16> [#uses=3]
%tmp11.i = icmp sgt i16 %tmp8.i, 42 ; <i1> [#uses=1]
br i1 %tmp11.i, label %bb.i, label %return.loopexit.i
return.loopexit.i: ; preds = %bb6.i
%tmp8.i.lcssa = phi i16 [ %tmp8.i, %bb6.i ] ; <i16> [#uses=1]
store i16 %tmp8.i.lcssa, i16* @g_2
br label %func_1.exit
func_1.exit: ; preds = %return.loopexit.i, %entry
%tmp1 = load i16* @g_2, align 2 ; <i16> [#uses=1]
%tmp12 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
%tmp3 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i32 %tmp12 ) nounwind ; <i32> [#uses=0]
ret i32 0
}
declare i32 @printf(i8*, ...) nounwind