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f2f6ce65b7
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
28 lines
1.2 KiB
LLVM
28 lines
1.2 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | grep mul | count 1
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; LSR should not make two copies of the Q*L expression in the preheader!
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define i8 @test(i8* %A, i8* %B, i32 %L, i32 %Q, i32 %N.s) {
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entry:
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%tmp.6 = mul i32 %Q, %L ; <i32> [#uses=1]
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%N = bitcast i32 %N.s to i32 ; <i32> [#uses=1]
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br label %no_exit
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no_exit: ; preds = %no_exit, %entry
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%indvar.ui = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=2]
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%Sum.0.0 = phi i8 [ 0, %entry ], [ %tmp.21, %no_exit ] ; <i8> [#uses=1]
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%indvar = bitcast i32 %indvar.ui to i32 ; <i32> [#uses=1]
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%N_addr.0.0 = sub i32 %N.s, %indvar ; <i32> [#uses=1]
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%tmp.8 = add i32 %N_addr.0.0, %tmp.6 ; <i32> [#uses=2]
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%tmp.9 = getelementptr i8* %A, i32 %tmp.8 ; <i8*> [#uses=1]
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%tmp.10 = load i8* %tmp.9 ; <i8> [#uses=1]
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%tmp.17 = getelementptr i8* %B, i32 %tmp.8 ; <i8*> [#uses=1]
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%tmp.18 = load i8* %tmp.17 ; <i8> [#uses=1]
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%tmp.19 = sub i8 %tmp.10, %tmp.18 ; <i8> [#uses=1]
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%tmp.21 = add i8 %tmp.19, %Sum.0.0 ; <i8> [#uses=2]
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%indvar.next = add i32 %indvar.ui, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]
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br i1 %exitcond, label %loopexit, label %no_exit
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loopexit: ; preds = %no_exit
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ret i8 %tmp.21
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}
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