cd46829e54
Successful vectorization message is emitted even after "Result" is false. "Result" = false indicates failure of one of the legality check and thus successful message should not be printed.
33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
; This test checks that we don't emit both
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; successful and unsuccessful message about vectorization.
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; REQUIRES: asserts
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; RUN: opt -passes=loop-vectorize -debug -disable-output < %s 2>&1 | FileCheck %s
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; CHECK-NOT: LV: We can vectorize this loop
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; CHECK: LV: Not vectorizing: Cannot prove legality
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; CHECK-NOT: LV: We can vectorize this loop
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@a = global [32000 x i32] zeroinitializer, align 4
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define void @foo(i32 %val1, i32 %val2) {
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entry:
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br label %for.body
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for.body: ; preds = %entry, %for.body
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%0 = phi i32 [ %val1, %entry ], [ %add1, %for.body ]
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%1 = phi i32 [ %val2, %entry ], [ %2, %for.body ]
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%iv = phi i64 [ 1, %entry ], [ %iv.next, %for.body ]
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%arrayidx = getelementptr inbounds [32000 x i32], ptr @a, i64 0, i64 %iv
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%iv.next = add nuw nsw i64 %iv, 1
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%arrayidx2 = getelementptr inbounds [32000 x i32], ptr @a, i64 0, i64 %iv.next
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%2 = load i32, ptr %arrayidx2, align 4
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%add0 = add nsw i32 %2, %1
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%add1 = add nsw i32 %add0, %0
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store i32 %add1, ptr %arrayidx, align 4
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%exitcond = icmp eq i64 %iv.next, 31999
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br i1 %exitcond, label %exit, label %for.body
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exit: ; preds = %for.body
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ret void
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}
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