[LoopVectorizer] Refine loop vectorizer's register usage calculator by ignoring speci...

[oota-llvm.git] / test / Transforms / LoopVectorize / runtime-limit.ll

diff --git a/test/Transforms/LoopVectorize/runtime-limit.ll b/test/Transforms/LoopVectorize/runtime-limit.ll
index 6bc71e160ccd7246b8a079aef428cb2c31cb09b8..a7f692cef170749772013b98504db59aff931e67 100644 (file)
--- a/test/Transforms/LoopVectorize/runtime-limit.ll
+++ b/test/Transforms/LoopVectorize/runtime-limit.ll
@@ -1,12 +1,25 @@
-; RUN: opt < %s  -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
+; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -dce -instcombine -pass-remarks=loop-vectorize -pass-remarks-missed=loop-vectorize -S 2>&1 | FileCheck %s -check-prefix=OVERRIDE
+; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -pragma-vectorize-memory-check-threshold=6 -dce -instcombine -pass-remarks=loop-vectorize -pass-remarks-missed=loop-vectorize -S 2>&1 | FileCheck %s
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.8.0"
+
+; First loop produced diagnostic pass remark.
+;CHECK: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
+; Second loop produces diagnostic analysis remark.
+;CHECK: remark: {{.*}}:0:0: loop not vectorized: cannot prove it is safe to reorder memory operations
+
+; First loop produced diagnostic pass remark.
+;OVERRIDE: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
+; Second loop produces diagnostic pass remark.
+;OVERRIDE: remark: {{.*}}:0:0: vectorized loop (vectorization width: 4, interleaved count: 1)
 
 ; We are vectorizing with 6 runtime checks.
 ;CHECK-LABEL: func1x6(
 ;CHECK: <4 x i32>
 ;CHECK: ret
+;OVERRIDE-LABEL: func1x6(
+;OVERRIDE: <4 x i32>
+;OVERRIDE: ret
 define i32 @func1x6(i32* nocapture %out, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
 entry:
   br label %for.body
@@ -41,6 +54,10 @@ for.end:                                          ; preds = %for.body
 ;CHECK-LABEL: func2x6(
 ;CHECK-NOT: <4 x i32>
 ;CHECK: ret
+; We vectorize with 12 checks if a vectorization hint is provided.
+;OVERRIDE-LABEL: func2x6(
+;OVERRIDE: <4 x i32>
+;OVERRIDE: ret
 define i32 @func2x6(i32* nocapture %out, i32* nocapture %out2, i32* nocapture %A, i32* nocapture %B, i32* nocapture %C, i32* nocapture %D, i32* nocapture %E, i32* nocapture %F) {
 entry:
   br label %for.body