[llvm] r296959 - Set option enabling LSR alternative way to resolve complex solution to false.

[Evgeny Stupachenko via llvm-commits]

Author: evstupac
Date: Fri Mar  3 21:14:05 2017
New Revision: 296959

URL: http://llvm.org/viewvc/llvm-project?rev=296959&view=rev
Log:
Set option enabling LSR alternative way to resolve complex solution to false.

Differential Revision: http://reviews.llvm.org/D29862

From: Evgeny Stupachenko <evstupac at gmail.com>

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    llvm/trunk/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll
    llvm/trunk/test/Transforms/LoopStrengthReduce/ARM/ivchain-ARM.ll

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=296959&r1=296958&r2=296959&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Fri Mar  3 21:14:05 2017
@@ -136,7 +136,7 @@ static cl::opt<bool> InsnsCost(
 
 // Flag to choose how to narrow complex lsr solution
 static cl::opt<bool> LSRExpNarrow(
-  "lsr-exp-narrow", cl::Hidden, cl::init(true),
+  "lsr-exp-narrow", cl::Hidden, cl::init(false),
   cl::desc("Narrow LSR complex solution using"
            " expectation of registers number"));
 

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll?rev=296959&r1=296958&r2=296959&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll Fri Mar  3 21:14:05 2017
@@ -14,7 +14,7 @@ target datalayout = "e-p:64:64:64-i1:8:8
 ; current LSR cost model.
 ; CHECK-NOT: = ptrtoint i8* undef to i64
 ; CHECK: .lr.ph
-; CHECK: [[TMP:%[^ ]+]] = add i64 %4, 1
+; CHECK: [[TMP:%[^ ]+]] = add i64 %tmp5, 1
 ; CHECK: sub i64 [[TMP]], %tmp6
 ; CHECK: ret void
 define void @VerifyDiagnosticConsumerTest() unnamed_addr nounwind uwtable align 2 {

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/ARM/ivchain-ARM.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/ARM/ivchain-ARM.ll?rev=296959&r1=296958&r2=296959&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/ARM/ivchain-ARM.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/ARM/ivchain-ARM.ll Fri Mar  3 21:14:05 2017
@@ -139,7 +139,7 @@ for.end:
 ; Consequently, we should *not* form any chains.
 ;
 ; A9: foldedidx:
-; A9: ldrb{{(.w)?}} {{r[0-9]|lr}}, [{{r[0-9]|lr}}, #403]
+; A9: ldrb{{(.w)?}} {{r[0-9]|lr}}, [{{r[0-9]|lr}}, #3]
 define void @foldedidx(i8* nocapture %a, i8* nocapture %b, i8* nocapture %c) nounwind ssp {
 entry:
   br label %for.body