1 ; RUN: opt -disable-verify -debug-pass-manager -passes='default<O1>' -force-vector-width=4 -S %s 2>&1 | FileCheck %s --check-prefixes=O1
2 ; RUN: opt -disable-verify -debug-pass-manager -passes='default<O2>' -force-vector-width=4 -S %s 2>&1 | FileCheck %s --check-prefixes=O2
3 ; RUN: opt -disable-verify -debug-pass-manager -passes='default<O2>' -force-vector-width=4 -extra-vectorizer-passes -S %s 2>&1 | FileCheck %s --check-prefixes=O2_EXTRA
5 ; When the loop doesn't get vectorized, no extra vector passes should run.
6 ; RUN: opt -disable-verify -debug-pass-manager -passes='default<O2>' -force-vector-width=0 -extra-vectorizer-passes -S %s 2>&1 | FileCheck %s --check-prefixes=O2
10 ; The loop vectorizer still runs at both -O1/-O2 even with the
11 ; debug flag, but it only works on loops explicitly annotated
14 ; SLP does not run at -O1. Loop vectorization runs, but it only
15 ; works on loops explicitly annotated with pragmas.
16 ; O1-LABEL: Running pass: LoopVectorizePass
17 ; O1-NOT: Running pass: SLPVectorizerPass
18 ; O1: Running pass: VectorCombinePass
20 ; Everything runs at -O2.
21 ; O2-LABEL: Running pass: LoopVectorizePass
22 ; O2-NOT: Running pass: EarlyCSEPass
23 ; O2-NOT: Running pass: LICMPass
24 ; O2: Running pass: SLPVectorizerPass
25 ; O2: Running pass: VectorCombinePass
27 ; Optionally run cleanup passes.
28 ; O2_EXTRA-LABEL: Running pass: LoopVectorizePass
29 ; O2_EXTRA: Running pass: EarlyCSEPass
30 ; O2_EXTRA: Running pass: CorrelatedValuePropagationPass
31 ; O2_EXTRA: Running pass: InstCombinePass
32 ; O2_EXTRA: Running pass: LICMPass
33 ; O2_EXTRA: Running pass: SimpleLoopUnswitchPass
34 ; O2_EXTRA: Running pass: SimplifyCFGPass
35 ; O2_EXTRA: Running pass: InstCombinePass
36 ; O2_EXTRA: Running pass: SLPVectorizerPass
37 ; O2_EXTRA: Running pass: EarlyCSEPass
38 ; O2_EXTRA: Running pass: VectorCombinePass
40 define i64 @f(i1 %cond, ptr %src, ptr %dst) {
45 %i = phi i64 [ 0, %entry ], [ %inc, %loop ]
46 %src.i = getelementptr i32, ptr %src, i64 %i
47 %src.v = load i32, ptr %src.i
48 %add = add i32 %src.v, 10
49 %dst.i = getelementptr i32, ptr %dst, i64 %i
50 store i32 %add, ptr %dst.i
51 %inc = add nuw nsw i64 %i, 1
52 %ec = icmp ne i64 %inc, 1000
53 br i1 %ec, label %loop, label %exit