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[CVP] Remove -cvp-dont-add-nowrap-flags option

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This option was originally added to work around a bug in LFTR.
The bug has long since been fixed.
This commit is contained in:
Nikita Popov 2021-03-07 18:19:31 +01:00
parent 59f9149f4e
commit 7d91a45207
5 changed files with 4 additions and 9 deletions
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5
lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
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@ -86,8 +86,6 @@ STATISTIC(NumOverflows, "Number of overflow checks removed");
STATISTIC(NumSaturating,
"Number of saturating arithmetics converted to normal arithmetics");
static cl::opt<bool> DontAddNoWrapFlags("cvp-dont-add-nowrap-flags", cl::init(false));
namespace {
class CorrelatedValuePropagation : public FunctionPass {
@ -843,9 +841,6 @@ static bool processSExt(SExtInst *SDI, LazyValueInfo *LVI) {
static bool processBinOp(BinaryOperator *BinOp, LazyValueInfo *LVI) {
using OBO = OverflowingBinaryOperator;
if (DontAddNoWrapFlags)
return false;
if (BinOp->getType()->isVectorTy())
return false;

2
test/Transforms/CorrelatedValuePropagation/add.ll
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@ -1,4 +1,4 @@
; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
; RUN: opt < %s -correlated-propagation -S | FileCheck %s
; CHECK-LABEL: @test0(
define void @test0(i32 %a) {

2
test/Transforms/CorrelatedValuePropagation/mul.ll
View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
; RUN: opt < %s -correlated-propagation -S | FileCheck %s
define i8 @test0(i8 %a) {
; CHECK-LABEL: @test0(

2
test/Transforms/CorrelatedValuePropagation/shl.ll
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@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
; RUN: opt < %s -correlated-propagation -S | FileCheck %s
define i8 @test0(i8 %a, i8 %b) {
; CHECK-LABEL: @test0(

2
test/Transforms/CorrelatedValuePropagation/sub.ll
View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
; RUN: opt < %s -correlated-propagation -S | FileCheck %s
define void @test0(i32 %a) {
; CHECK-LABEL: @test0(