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Revert r325687 (workaround for PR36032).

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Summary:
Revert r325687 workaround for PR36032 since
 a fix was committed in r326154.

Reviewers: sbaranga

Differential Revision: http://reviews.llvm.org/D44768

From: Evgeny Stupachenko <evstupac@gmail.com>
                         <evgeny.v.stupachenko@intel.com>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328257 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeny Stupachenko 2018-03-22 22:04:39 +00:00
parent b31382197f
commit ca64890b85
5 changed files with 5 additions and 12 deletions
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7
lib/Analysis/ScalarEvolution.cpp
View File

@ -205,11 +205,6 @@ static cl::opt<unsigned>
cl::desc("Max coefficients in AddRec during evolving"),
cl::init(16));
static cl::opt<bool> VersionUnknown(
"scev-version-unknown", cl::Hidden,
cl::desc("Use predicated scalar evolution to version SCEVUnknowns"),
cl::init(false));
//===----------------------------------------------------------------------===//
// SCEV class definitions
//===----------------------------------------------------------------------===//
@ -11644,8 +11639,6 @@ private:
// couldn't create an AddRec for it, or couldn't add the predicate), we just
// return \p Expr.
const SCEV *convertToAddRecWithPreds(const SCEVUnknown *Expr) {
if (!VersionUnknown)
return Expr;
if (!isa<PHINode>(Expr->getValue()))
return Expr;
Optional<std::pair<const SCEV *, SmallVector<const SCEVPredicate *, 3>>>

2
test/Transforms/LoopVectorize/X86/pr36524.ll
View File

@ -1,4 +1,4 @@
; RUN: opt -S -scev-version-unknown -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s | FileCheck %s
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"

2
test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll
View File

@ -1,4 +1,4 @@
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -scev-version-unknown < %s 2>&1 | FileCheck %s
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

2
test/Transforms/LoopVectorize/pr35773.ll
View File

@ -1,4 +1,4 @@
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -scev-version-unknown < %s 2>&1 | FileCheck %s
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@a = common local_unnamed_addr global i32 0, align 4
@b = common local_unnamed_addr global i8 0, align 1

4
test/Transforms/LoopVectorize/vect-phiscev-sext-trunc.ll
View File

@ -1,5 +1,5 @@
; RUN: opt -S -loop-vectorize -force-vector-width=8 -force-vector-interleave=1 -scev-version-unknown < %s | FileCheck %s -check-prefix=VF8
; RUN: opt -S -loop-vectorize -force-vector-width=1 -force-vector-interleave=4 -scev-version-unknown < %s | FileCheck %s -check-prefix=VF1
; RUN: opt -S -loop-vectorize -force-vector-width=8 -force-vector-interleave=1 < %s | FileCheck %s -check-prefix=VF8
; RUN: opt -S -loop-vectorize -force-vector-width=1 -force-vector-interleave=4 < %s | FileCheck %s -check-prefix=VF1
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"