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205b641954
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
50 lines
2.4 KiB
LLVM
50 lines
2.4 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | not grep mul
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; Make sure we don't get a multiply by 6 in this loop.
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define i32 @foo(i32 %A, i32 %B, i32 %C, i32 %D) {
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entry:
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%tmp.5 = icmp sgt i32 %C, 0 ; <i1> [#uses=1]
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%tmp.25 = and i32 %A, 1 ; <i32> [#uses=1]
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br label %loopentry.1
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loopentry.1: ; preds = %loopexit.1, %entry
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%indvar20 = phi i32 [ 0, %entry ], [ %indvar.next21, %loopexit.1 ] ; <i32> [#uses=2]
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%k.1 = phi i32 [ 0, %entry ], [ %k.1.3, %loopexit.1 ] ; <i32> [#uses=2]
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br i1 %tmp.5, label %no_exit.1.preheader, label %loopexit.1
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no_exit.1.preheader: ; preds = %loopentry.1
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%i.0.0 = bitcast i32 %indvar20 to i32 ; <i32> [#uses=1]
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%tmp.9 = mul i32 %i.0.0, 6 ; <i32> [#uses=1]
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br label %no_exit.1.outer
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no_exit.1.outer: ; preds = %cond_true, %no_exit.1.preheader
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%k.1.2.ph = phi i32 [ %k.1, %no_exit.1.preheader ], [ %k.09, %cond_true ] ; <i32> [#uses=2]
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%j.1.2.ph = phi i32 [ 0, %no_exit.1.preheader ], [ %inc.1, %cond_true ] ; <i32> [#uses=1]
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br label %no_exit.1
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no_exit.1: ; preds = %cond_continue, %no_exit.1.outer
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%indvar.ui = phi i32 [ 0, %no_exit.1.outer ], [ %indvar.next, %cond_continue ] ; <i32> [#uses=2]
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%indvar = bitcast i32 %indvar.ui to i32 ; <i32> [#uses=1]
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%j.1.2 = add i32 %indvar, %j.1.2.ph ; <i32> [#uses=2]
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%tmp.11 = add i32 %j.1.2, %tmp.9 ; <i32> [#uses=1]
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%tmp.12 = trunc i32 %tmp.11 to i8 ; <i8> [#uses=1]
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%shift.upgrd.1 = zext i8 %tmp.12 to i32 ; <i32> [#uses=1]
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%tmp.13 = shl i32 %D, %shift.upgrd.1 ; <i32> [#uses=2]
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%tmp.15 = icmp eq i32 %tmp.13, %B ; <i1> [#uses=1]
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%inc.1 = add i32 %j.1.2, 1 ; <i32> [#uses=3]
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br i1 %tmp.15, label %cond_true, label %cond_continue
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cond_true: ; preds = %no_exit.1
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%tmp.26 = and i32 %tmp.25, %tmp.13 ; <i32> [#uses=1]
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%k.09 = add i32 %tmp.26, %k.1.2.ph ; <i32> [#uses=2]
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%tmp.517 = icmp slt i32 %inc.1, %C ; <i1> [#uses=1]
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br i1 %tmp.517, label %no_exit.1.outer, label %loopexit.1
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cond_continue: ; preds = %no_exit.1
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%tmp.519 = icmp slt i32 %inc.1, %C ; <i1> [#uses=1]
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%indvar.next = add i32 %indvar.ui, 1 ; <i32> [#uses=1]
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br i1 %tmp.519, label %no_exit.1, label %loopexit.1
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loopexit.1: ; preds = %cond_continue, %cond_true, %loopentry.1
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%k.1.3 = phi i32 [ %k.1, %loopentry.1 ], [ %k.09, %cond_true ], [ %k.1.2.ph, %cond_continue ] ; <i32> [#uses=2]
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%indvar.next21 = add i32 %indvar20, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next21, 4 ; <i1> [#uses=1]
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br i1 %exitcond, label %loopexit.0, label %loopentry.1
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loopexit.0: ; preds = %loopexit.1
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ret i32 %k.1.3
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}
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