[llvm] r362699 - Revert "[SCEV] Use wrap flags in InsertBinop"

Benjamin Kramer via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 6 05:35:47 PDT 2019


Author: d0k
Date: Thu Jun  6 05:35:46 2019
New Revision: 362699

URL: http://llvm.org/viewvc/llvm-project?rev=362699&view=rev
Log:
Revert "[SCEV] Use wrap flags in InsertBinop"

This reverts commit r362687. Miscompiles llvm-profdata during selfhost.

Modified:
    llvm/trunk/include/llvm/Analysis/ScalarEvolutionExpander.h
    llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp
    llvm/trunk/test/CodeGen/Hexagon/loop-idiom/memmove-rt-check.ll
    llvm/trunk/test/Transforms/IRCE/bad_expander.ll
    llvm/trunk/test/Transforms/IRCE/conjunctive-checks.ll
    llvm/trunk/test/Transforms/IRCE/decrementing-loop.ll
    llvm/trunk/test/Transforms/IRCE/ranges_of_different_types.ll
    llvm/trunk/test/Transforms/IRCE/rc-negative-bound.ll
    llvm/trunk/test/Transforms/IRCE/single-access-no-preloop.ll
    llvm/trunk/test/Transforms/IRCE/single-access-with-preloop.ll
    llvm/trunk/test/Transforms/IRCE/stride_more_than_1.ll
    llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ugt.ll
    llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ult.ll
    llvm/trunk/test/Transforms/IndVarSimplify/lftr.ll
    llvm/trunk/test/Transforms/IndVarSimplify/loop_evaluate_1.ll
    llvm/trunk/test/Transforms/LoopIdiom/X86/unordered-atomic-memcpy.ll
    llvm/trunk/test/Transforms/LoopIdiom/basic.ll
    llvm/trunk/test/Transforms/LoopIdiom/memcpy-debugify-remarks.ll
    llvm/trunk/test/Transforms/LoopReroll/basic.ll
    llvm/trunk/test/Transforms/LoopReroll/complex_reroll.ll
    llvm/trunk/test/Transforms/LoopReroll/nonconst_lb.ll
    llvm/trunk/test/Transforms/LoopReroll/ptrindvar.ll
    llvm/trunk/test/Transforms/LoopStrengthReduce/2011-10-06-ReusePhi.ll
    llvm/trunk/test/Transforms/LoopStrengthReduce/X86/lsr-expand-quadratic.ll
    llvm/trunk/test/Transforms/LoopStrengthReduce/X86/nested-loop.ll
    llvm/trunk/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll
    llvm/trunk/test/Transforms/LoopVectorize/AArch64/pr36032.ll
    llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll

Modified: llvm/trunk/include/llvm/Analysis/ScalarEvolutionExpander.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/ScalarEvolutionExpander.h?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/ScalarEvolutionExpander.h (original)
+++ llvm/trunk/include/llvm/Analysis/ScalarEvolutionExpander.h Thu Jun  6 05:35:46 2019
@@ -318,7 +318,7 @@ namespace llvm {
     /// avoid inserting an obviously redundant operation, and hoisting to an
     /// outer loop when the opportunity is there and it is safe.
     Value *InsertBinop(Instruction::BinaryOps Opcode, Value *LHS, Value *RHS,
-                       SCEV::NoWrapFlags Flags, bool IsSafeToHoist);
+                       bool IsSafeToHoist);
 
     /// Arrange for there to be a cast of V to Ty at IP, reusing an existing
     /// cast if a suitable one exists, moving an existing cast if a suitable one

Modified: llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp Thu Jun  6 05:35:46 2019
@@ -169,8 +169,7 @@ Value *SCEVExpander::InsertNoopCastOfTo(
 /// of work to avoid inserting an obviously redundant operation, and hoisting
 /// to an outer loop when the opportunity is there and it is safe.
 Value *SCEVExpander::InsertBinop(Instruction::BinaryOps Opcode,
-                                 Value *LHS, Value *RHS,
-                                 SCEV::NoWrapFlags Flags, bool IsSafeToHoist) {
+                                 Value *LHS, Value *RHS, bool IsSafeToHoist) {
   // Fold a binop with constant operands.
   if (Constant *CLHS = dyn_cast<Constant>(LHS))
     if (Constant *CRHS = dyn_cast<Constant>(RHS))
@@ -189,22 +188,20 @@ Value *SCEVExpander::InsertBinop(Instruc
       if (isa<DbgInfoIntrinsic>(IP))
         ScanLimit++;
 
-      auto canGenerateIncompatiblePoison = [&Flags](Instruction *I) {
-        // Ensure that no-wrap flags match.
-        if (isa<OverflowingBinaryOperator>(I)) {
-          if (I->hasNoSignedWrap() != (Flags & SCEV::FlagNSW))
-            return true;
-          if (I->hasNoUnsignedWrap() != (Flags & SCEV::FlagNUW))
-            return true;
-        }
-        // Conservatively, do not use any instruction which has any of exact
-        // flags installed.
+      // Conservatively, do not use any instruction which has any of wrap/exact
+      // flags installed.
+      // TODO: Instead of simply disable poison instructions we can be clever
+      //       here and match SCEV to this instruction.
+      auto canGeneratePoison = [](Instruction *I) {
+        if (isa<OverflowingBinaryOperator>(I) &&
+            (I->hasNoSignedWrap() || I->hasNoUnsignedWrap()))
+          return true;
         if (isa<PossiblyExactOperator>(I) && I->isExact())
           return true;
         return false;
       };
       if (IP->getOpcode() == (unsigned)Opcode && IP->getOperand(0) == LHS &&
-          IP->getOperand(1) == RHS && !canGenerateIncompatiblePoison(&*IP))
+          IP->getOperand(1) == RHS && !canGeneratePoison(&*IP))
         return &*IP;
       if (IP == BlockBegin) break;
     }
@@ -229,10 +226,6 @@ Value *SCEVExpander::InsertBinop(Instruc
   // If we haven't found this binop, insert it.
   Instruction *BO = cast<Instruction>(Builder.CreateBinOp(Opcode, LHS, RHS));
   BO->setDebugLoc(Loc);
-  if (Flags & SCEV::FlagNUW)
-    BO->setHasNoUnsignedWrap();
-  if (Flags & SCEV::FlagNSW)
-    BO->setHasNoSignedWrap();
   rememberInstruction(BO);
 
   return BO;
@@ -744,8 +737,7 @@ Value *SCEVExpander::visitAddExpr(const
       // Instead of doing a negate and add, just do a subtract.
       Value *W = expandCodeFor(SE.getNegativeSCEV(Op), Ty);
       Sum = InsertNoopCastOfTo(Sum, Ty);
-      Sum = InsertBinop(Instruction::Sub, Sum, W, S->getNoWrapFlags(),
-                        /*IsSafeToHoist*/ true);
+      Sum = InsertBinop(Instruction::Sub, Sum, W, /*IsSafeToHoist*/ true);
       ++I;
     } else {
       // A simple add.
@@ -753,8 +745,7 @@ Value *SCEVExpander::visitAddExpr(const
       Sum = InsertNoopCastOfTo(Sum, Ty);
       // Canonicalize a constant to the RHS.
       if (isa<Constant>(Sum)) std::swap(Sum, W);
-      Sum = InsertBinop(Instruction::Add, Sum, W, S->getNoWrapFlags(),
-                        /*IsSafeToHoist*/ true);
+      Sum = InsertBinop(Instruction::Add, Sum, W, /*IsSafeToHoist*/ true);
       ++I;
     }
   }
@@ -783,7 +774,7 @@ Value *SCEVExpander::visitMulExpr(const
   // Expand the calculation of X pow N in the following manner:
   // Let N = P1 + P2 + ... + PK, where all P are powers of 2. Then:
   // X pow N = (X pow P1) * (X pow P2) * ... * (X pow PK).
-  const auto ExpandOpBinPowN = [this, &I, &OpsAndLoops, &Ty, &S]() {
+  const auto ExpandOpBinPowN = [this, &I, &OpsAndLoops, &Ty]() {
     auto E = I;
     // Calculate how many times the same operand from the same loop is included
     // into this power.
@@ -806,11 +797,9 @@ Value *SCEVExpander::visitMulExpr(const
     if (Exponent & 1)
       Result = P;
     for (uint64_t BinExp = 2; BinExp <= Exponent; BinExp <<= 1) {
-      P = InsertBinop(Instruction::Mul, P, P, S->getNoWrapFlags(),
-                      /*IsSafeToHoist*/ true);
+      P = InsertBinop(Instruction::Mul, P, P, /*IsSafeToHoist*/ true);
       if (Exponent & BinExp)
         Result = Result ? InsertBinop(Instruction::Mul, Result, P,
-                                      S->getNoWrapFlags(),
                                       /*IsSafeToHoist*/ true)
                         : P;
     }
@@ -828,7 +817,6 @@ Value *SCEVExpander::visitMulExpr(const
       // Instead of doing a multiply by negative one, just do a negate.
       Prod = InsertNoopCastOfTo(Prod, Ty);
       Prod = InsertBinop(Instruction::Sub, Constant::getNullValue(Ty), Prod,
-                         S->getNoWrapFlags(),
                          /*IsSafeToHoist*/ true);
       ++I;
     } else {
@@ -843,10 +831,9 @@ Value *SCEVExpander::visitMulExpr(const
         assert(!Ty->isVectorTy() && "vector types are not SCEVable");
         Prod = InsertBinop(Instruction::Shl, Prod,
                            ConstantInt::get(Ty, RHS->logBase2()),
-                           S->getNoWrapFlags(), /*IsSafeToHoist*/ true);
-      } else {
-        Prod = InsertBinop(Instruction::Mul, Prod, W, S->getNoWrapFlags(),
                            /*IsSafeToHoist*/ true);
+      } else {
+        Prod = InsertBinop(Instruction::Mul, Prod, W, /*IsSafeToHoist*/ true);
       }
     }
   }
@@ -863,11 +850,11 @@ Value *SCEVExpander::visitUDivExpr(const
     if (RHS.isPowerOf2())
       return InsertBinop(Instruction::LShr, LHS,
                          ConstantInt::get(Ty, RHS.logBase2()),
-                         SCEV::FlagAnyWrap, /*IsSafeToHoist*/ true);
+                         /*IsSafeToHoist*/ true);
   }
 
   Value *RHS = expandCodeFor(S->getRHS(), Ty);
-  return InsertBinop(Instruction::UDiv, LHS, RHS, SCEV::FlagAnyWrap,
+  return InsertBinop(Instruction::UDiv, LHS, RHS,
                      /*IsSafeToHoist*/ SE.isKnownNonZero(S->getRHS()));
 }
 

Modified: llvm/trunk/test/CodeGen/Hexagon/loop-idiom/memmove-rt-check.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/loop-idiom/memmove-rt-check.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/loop-idiom/memmove-rt-check.ll (original)
+++ llvm/trunk/test/CodeGen/Hexagon/loop-idiom/memmove-rt-check.ll Thu Jun  6 05:35:46 2019
@@ -3,7 +3,7 @@
 ; Make sure that we generate correct runtime checks.
 
 ; CHECK: b7.old:
-; CHECK:   [[LEN:%[0-9]+]] = shl nuw i32 %len, 3
+; CHECK:   [[LEN:%[0-9]+]] = shl i32 %len, 3
 ; CHECK:   [[SRC:%[0-9]+]] = ptrtoint i8* %src to i32
 ; CHECK:   [[DST:%[0-9]+]] = ptrtoint i8* %dst to i32
 ; CHECK:   [[ULT:%[0-9]+]] = icmp ult i32 [[DST]], [[SRC]]

Modified: llvm/trunk/test/Transforms/IRCE/bad_expander.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/bad_expander.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/bad_expander.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/bad_expander.ll Thu Jun  6 05:35:46 2019
@@ -89,7 +89,7 @@ define void @test_03(i64* %p1, i64* %p2,
 ; CHECK:       entry:
 ; CHECK-NEXT:    %num = load i64, i64* %p1, align 4
 ; CHECK-NEXT:    [[DIV:%[^ ]+]] = udiv i64 %num, 13
-; CHECK-NEXT:    [[DIV_MINUS_1:%[^ ]+]] = add nsw i64 [[DIV]], -1
+; CHECK-NEXT:    [[DIV_MINUS_1:%[^ ]+]] = add i64 [[DIV]], -1
 ; CHECK-NEXT:    [[COMP1:%[^ ]+]] = icmp sgt i64 [[DIV_MINUS_1]], 0
 ; CHECK-NEXT:    %exit.mainloop.at = select i1 [[COMP1]], i64 [[DIV_MINUS_1]], i64 0
 ; CHECK-NEXT:    [[COMP2:%[^ ]+]] = icmp slt i64 0, %exit.mainloop.at

Modified: llvm/trunk/test/Transforms/IRCE/conjunctive-checks.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/conjunctive-checks.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/conjunctive-checks.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/conjunctive-checks.ll Thu Jun  6 05:35:46 2019
@@ -5,7 +5,7 @@ define void @f_0(i32 *%arr, i32 *%a_len_
 ; CHECK-LABEL: @f_0(
 
 ; CHECK: loop.preheader:
-; CHECK: [[len_sub:[^ ]+]] = add nsw i32 %len, -4
+; CHECK: [[len_sub:[^ ]+]] = add i32 %len, -4
 ; CHECK: [[exit_main_loop_at_hiclamp_cmp:[^ ]+]] = icmp slt i32 %n, [[len_sub]]
 ; CHECK: [[exit_main_loop_at_hiclamp:[^ ]+]] = select i1 [[exit_main_loop_at_hiclamp_cmp]], i32 %n, i32 [[len_sub]]
 ; CHECK: [[exit_main_loop_at_loclamp_cmp:[^ ]+]] = icmp sgt i32 [[exit_main_loop_at_hiclamp]], 0

Modified: llvm/trunk/test/Transforms/IRCE/decrementing-loop.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/decrementing-loop.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/decrementing-loop.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/decrementing-loop.ll Thu Jun  6 05:35:46 2019
@@ -33,7 +33,7 @@ define void @decrementing_loop(i32 *%arr
 ; CHECK:   [[len_hiclamp:[^ ]+]] = select i1 [[len_hiclamp_cmp]], i32 %len, i32 %n
 ; CHECK:   [[not_exit_preloop_at_cmp:[^ ]+]] = icmp sgt i32 [[len_hiclamp]], 0
 ; CHECK:   [[not_exit_preloop_at:[^ ]+]] = select i1 [[not_exit_preloop_at_cmp]], i32 [[len_hiclamp]], i32 0
-; CHECK:   %exit.preloop.at = add nsw i32 [[not_exit_preloop_at]], -1
+; CHECK:   %exit.preloop.at = add i32 [[not_exit_preloop_at]], -1
 }
 
 ; Make sure that we can eliminate the range check when the loop looks like:

Modified: llvm/trunk/test/Transforms/IRCE/ranges_of_different_types.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/ranges_of_different_types.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/ranges_of_different_types.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/ranges_of_different_types.ll Thu Jun  6 05:35:46 2019
@@ -23,7 +23,7 @@ define void @test_01(i32* %arr, i32* %a_
 ; CHECK-NOT:     preloop
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add nsw i32 %len, -13
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add i32 %len, -13
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp slt i32 [[SUB1]], 101
 ; CHECK-NEXT:      [[SMAX:%[^ ]+]] = select i1 [[CMP1]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      [[CMP2:%[^ ]+]] = icmp sgt i32 [[SMAX]], 0
@@ -79,10 +79,10 @@ define void @test_02(i32* %arr, i32* %a_
 ; CHECK-LABEL: test_02(
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[LEN_MINUS_SMAX:%[^ ]+]] = add nuw nsw i32 %len, -2147483647
+; CHECK-NEXT:      [[LEN_MINUS_SMAX:%[^ ]+]] = add i32 %len, -2147483647
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp sgt i32 [[LEN_MINUS_SMAX]], -13
 ; CHECK-NEXT:      [[SMAX1:%[^ ]+]] = select i1 [[CMP1]], i32 [[LEN_MINUS_SMAX]], i32 -13
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = sub nuw nsw i32 %len, [[SMAX1]]
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = sub i32 %len, [[SMAX1]]
 ; CHECK-NEXT:      [[CMP2:%[^ ]+]] = icmp slt i32 [[SUB1]], 101
 ; CHECK-NEXT:      [[SMAX2:%[^ ]+]] = select i1 [[CMP2]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      [[CMP3:%[^ ]+]] = icmp sgt i32 [[SMAX2]], 0
@@ -202,7 +202,7 @@ define void @test_04(i32* %arr, i32* %a_
 ; CHECK-LABEL: test_04(
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add nuw i32 %len, 13
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add i32 %len, 13
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp ult i32 [[SUB1]], 101
 ; CHECK-NEXT:      %exit.mainloop.at = select i1 [[CMP1]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      br i1 true, label %loop.preloop.preheader
@@ -245,7 +245,7 @@ define void @test_05(i32* %arr, i32* %a_
 ; CHECK-NOT:     preloop
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add nsw i32 %len, -13
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add i32 %len, -13
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp slt i32 [[SUB1]], 101
 ; CHECK-NEXT:      [[SMAX:%[^ ]+]] = select i1 [[CMP1]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      [[CMP2:%[^ ]+]] = icmp sgt i32 [[SMAX]], 0
@@ -286,10 +286,10 @@ define void @test_06(i32* %arr, i32* %a_
 ; CHECK-LABEL: test_06(
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[LEN_MINUS_SMAX:%[^ ]+]] = add nuw nsw i32 %len, -2147483647
+; CHECK-NEXT:      [[LEN_MINUS_SMAX:%[^ ]+]] = add i32 %len, -2147483647
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp sgt i32 [[LEN_MINUS_SMAX]], -13
 ; CHECK-NEXT:      [[SMAX1:%[^ ]+]] = select i1 [[CMP1]], i32 [[LEN_MINUS_SMAX]], i32 -13
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = sub nuw nsw i32 %len, [[SMAX1]]
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = sub i32 %len, [[SMAX1]]
 ; CHECK-NEXT:      [[CMP2:%[^ ]+]] = icmp slt i32 [[SUB1]], 101
 ; CHECK-NEXT:      [[SMAX2:%[^ ]+]] = select i1 [[CMP2]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      [[CMP3:%[^ ]+]] = icmp sgt i32 [[SMAX2]], 0
@@ -375,7 +375,7 @@ define void @test_08(i32* %arr, i32* %a_
 ; CHECK-LABEL: test_08(
 ; CHECK:         entry:
 ; CHECK-NEXT:      %len = load i32, i32* %a_len_ptr, !range !0
-; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add nuw i32 %len, 13
+; CHECK-NEXT:      [[SUB1:%[^ ]+]] = add i32 %len, 13
 ; CHECK-NEXT:      [[CMP1:%[^ ]+]] = icmp ult i32 [[SUB1]], 101
 ; CHECK-NEXT:      %exit.mainloop.at = select i1 [[CMP1]], i32 [[SUB1]], i32 101
 ; CHECK-NEXT:      br i1 true, label %loop.preloop.preheader

Modified: llvm/trunk/test/Transforms/IRCE/rc-negative-bound.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/rc-negative-bound.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/rc-negative-bound.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/rc-negative-bound.ll Thu Jun  6 05:35:46 2019
@@ -115,7 +115,7 @@ define void @test_03(i32 *%arr, i32 %n,
 ; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[BOUND:%.*]], -2147483647
 ; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt i32 [[TMP0]], 0
 ; CHECK-NEXT:    [[SMIN:%.*]] = select i1 [[TMP1]], i32 [[TMP0]], i32 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub nsw i32 [[BOUND]], [[SMIN]]
+; CHECK-NEXT:    [[TMP2:%.*]] = sub i32 [[BOUND]], [[SMIN]]
 ; CHECK-NEXT:    [[TMP3:%.*]] = icmp slt i32 [[BOUND]], 0
 ; CHECK-NEXT:    [[SMAX:%.*]] = select i1 [[TMP3]], i32 [[BOUND]], i32 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[SMAX]], -1
@@ -403,7 +403,7 @@ define void @test_07(i32 *%arr, i32 %n,
 ; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[BOUND:%.*]], -2147483647
 ; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt i32 [[TMP0]], 0
 ; CHECK-NEXT:    [[SMIN:%.*]] = select i1 [[TMP1]], i32 [[TMP0]], i32 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub nsw i32 [[BOUND]], [[SMIN]]
+; CHECK-NEXT:    [[TMP2:%.*]] = sub i32 [[BOUND]], [[SMIN]]
 ; CHECK-NEXT:    [[TMP3:%.*]] = icmp slt i32 [[BOUND]], 0
 ; CHECK-NEXT:    [[SMAX:%.*]] = select i1 [[TMP3]], i32 [[BOUND]], i32 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[SMAX]], -1

Modified: llvm/trunk/test/Transforms/IRCE/single-access-no-preloop.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/single-access-no-preloop.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/single-access-no-preloop.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/single-access-no-preloop.ll Thu Jun  6 05:35:46 2019
@@ -86,7 +86,7 @@ define void @single_access_no_preloop_wi
 ; CHECK-LABEL: @single_access_no_preloop_with_offset(
 
 ; CHECK: loop.preheader:
-; CHECK: [[safe_range_end:[^ ]+]] = add nsw i32 %len, -4
+; CHECK: [[safe_range_end:[^ ]+]] = add i32 %len, -4
 ; CHECK: [[exit_main_loop_at_hiclamp_cmp:[^ ]+]] = icmp slt i32 %n, [[safe_range_end]]
 ; CHECK: [[exit_main_loop_at_hiclamp:[^ ]+]] = select i1 [[exit_main_loop_at_hiclamp_cmp]], i32 %n, i32 [[safe_range_end]]
 ; CHECK: [[exit_main_loop_at_loclamp_cmp:[^ ]+]] = icmp sgt i32 [[exit_main_loop_at_hiclamp]], 0

Modified: llvm/trunk/test/Transforms/IRCE/single-access-with-preloop.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/single-access-with-preloop.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/single-access-with-preloop.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/single-access-with-preloop.ll Thu Jun  6 05:35:46 2019
@@ -34,23 +34,23 @@ define void @single_access_with_preloop(
 ; CHECK: [[check_min_sint_offset:[^ ]+]] = icmp sgt i32 %offset, -2147483647
 ; CHECK: [[safe_offset_preloop:[^ ]+]] = select i1 [[check_min_sint_offset]], i32 %offset, i32 -2147483647
 ; If Offset was a SINT_MIN, we could have an overflow here. That is why we calculated its safe version.
-; CHECK: [[safe_start:[^ ]+]] = sub nsw i32 0, [[safe_offset_preloop]]
+; CHECK: [[safe_start:[^ ]+]] = sub i32 0, [[safe_offset_preloop]]
 ; CHECK: [[exit_preloop_at_cond_loclamp:[^ ]+]] = icmp slt i32 %n, [[safe_start]]
 ; CHECK: [[exit_preloop_at_loclamp:[^ ]+]] = select i1 [[exit_preloop_at_cond_loclamp]], i32 %n, i32 [[safe_start]]
 ; CHECK: [[exit_preloop_at_cond:[^ ]+]] = icmp sgt i32 [[exit_preloop_at_loclamp]], 0
 ; CHECK: [[exit_preloop_at:[^ ]+]] = select i1 [[exit_preloop_at_cond]], i32 [[exit_preloop_at_loclamp]], i32 0
 
 
-; CHECK: [[len_minus_sint_max:[^ ]+]] = add nuw nsw i32 %len, -2147483647
+; CHECK: [[len_minus_sint_max:[^ ]+]] = add i32 %len, -2147483647
 ; CHECK: [[check_len_min_sint_offset:[^ ]+]] = icmp sgt i32 %offset, [[len_minus_sint_max]]
 ; CHECK: [[safe_offset_mainloop:[^ ]+]] = select i1 [[check_len_min_sint_offset]], i32 %offset, i32 [[len_minus_sint_max]]
 ; If Offset was a SINT_MIN, we could have an overflow here. That is why we calculated its safe version.
-; CHECK: [[safe_upper_end:[^ ]+]] = sub nsw i32 %len, [[safe_offset_mainloop]]
+; CHECK: [[safe_upper_end:[^ ]+]] = sub i32 %len, [[safe_offset_mainloop]]
 ; CHECK: [[exit_mainloop_at_cond_loclamp:[^ ]+]] = icmp slt i32 %n, [[safe_upper_end]]
 ; CHECK: [[exit_mainloop_at_loclamp:[^ ]+]] = select i1 [[exit_mainloop_at_cond_loclamp]], i32 %n, i32 [[safe_upper_end]]
 ; CHECK: [[check_offset_mainloop_2:[^ ]+]] = icmp sgt i32 %offset, 0
 ; CHECK: [[safe_offset_mainloop_2:[^ ]+]] = select i1 [[check_offset_mainloop_2]], i32 %offset, i32 0
-; CHECK: [[safe_lower_end:[^ ]+]] = sub nsw i32 2147483647, [[safe_offset_mainloop_2]]
+; CHECK: [[safe_lower_end:[^ ]+]] = sub i32 2147483647, [[safe_offset_mainloop_2]]
 ; CHECK: [[exit_mainloop_at_cond_hiclamp:[^ ]+]] = icmp slt i32 [[exit_mainloop_at_loclamp]], [[safe_lower_end]]
 ; CHECK: [[exit_mainloop_at_hiclamp:[^ ]+]] = select i1 [[exit_mainloop_at_cond_hiclamp]], i32 [[exit_mainloop_at_loclamp]], i32 [[safe_lower_end]]
 ; CHECK: [[exit_mainloop_at_cmp:[^ ]+]] = icmp sgt i32 [[exit_mainloop_at_hiclamp]], 0

Modified: llvm/trunk/test/Transforms/IRCE/stride_more_than_1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/stride_more_than_1.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/stride_more_than_1.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/stride_more_than_1.ll Thu Jun  6 05:35:46 2019
@@ -254,7 +254,7 @@ define void @test_05(i32* %arr, i32* %a_
 ; CHECK:      @test_05(
 ; CHECK:      entry:
 ; CHECK-NEXT:   %len = load i32, i32* %a_len_ptr
-; CHECK-NEXT:   %exit.preloop.at = add nsw i32 %len, -1
+; CHECK-NEXT:   %exit.preloop.at = add i32 %len, -1
 ; CHECK-NEXT:   [[COND1:%[^ ]+]] = icmp sgt i32 100, %exit.preloop.at
 ; CHECK-NEXT:   br i1 [[COND1]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:      loop.preloop.preheader:
@@ -320,7 +320,7 @@ define void @test_06(i32* %arr, i32* %a_
 ; CHECK:      @test_06(
 ; CHECK:      entry:
 ; CHECK-NEXT:   %len = load i32, i32* %a_len_ptr
-; CHECK-NEXT:   %exit.preloop.at = add nsw i32 %len, -1
+; CHECK-NEXT:   %exit.preloop.at = add i32 %len, -1
 ; CHECK-NEXT:   [[COND1:%[^ ]+]] = icmp ugt i32 2147483640, %exit.preloop.at
 ; CHECK-NEXT:   br i1 [[COND1]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:      loop.preloop.preheader:
@@ -415,7 +415,7 @@ define void @test_08(i32* %arr, i32* %a_
 ; CHECK:      @test_08(
 ; CHECK:      entry:
 ; CHECK-NEXT:   %len = load i32, i32* %a_len_ptr
-; CHECK-NEXT:   %exit.preloop.at = add nsw i32 %len, -1
+; CHECK-NEXT:   %exit.preloop.at = add i32 %len, -1
 ; CHECK-NEXT:   [[COND1:%[^ ]+]] = icmp ugt i32 2147483647, %exit.preloop.at
 ; CHECK-NEXT:   br i1 [[COND1]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:      loop.preloop.preheader:

Modified: llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ugt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ugt.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ugt.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ugt.ll Thu Jun  6 05:35:46 2019
@@ -59,7 +59,7 @@ define void @test_02(i32* %arr, i32* %a_
 ; CHECK-NEXT:     %len = load i32, i32* %a_len_ptr, !range !0
 ; CHECK-NEXT:     [[COND1:%[^ ]+]] = icmp ugt i32 %len, 1
 ; CHECK-NEXT:     [[UMIN:%[^ ]+]] = select i1 [[COND1]], i32 %len, i32 1
-; CHECK-NEXT:     %exit.preloop.at = add nsw i32 [[UMIN]], -1
+; CHECK-NEXT:     %exit.preloop.at = add i32 [[UMIN]], -1
 ; CHECK-NEXT:     [[COND2:%[^ ]+]] = icmp ugt i32 100, %exit.preloop.at
 ; CHECK-NEXT:     br i1 [[COND2]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:        mainloop:
@@ -150,7 +150,7 @@ define void @test_04(i32* %arr, i32* %a_
 ; CHECK-NEXT:     %len = load i32, i32* %a_len_ptr, !range !0
 ; CHECK-NEXT:     [[COND1:%[^ ]+]] = icmp ugt i32 %len, 1
 ; CHECK-NEXT:     [[UMIN:%[^ ]+]] = select i1 [[COND1]], i32 %len, i32 1
-; CHECK-NEXT:     %exit.preloop.at = add nsw i32 [[UMIN]], -1
+; CHECK-NEXT:     %exit.preloop.at = add i32 [[UMIN]], -1
 ; CHECK-NEXT:     [[COND2:%[^ ]+]] = icmp ugt i32 -2147483648, %exit.preloop.at
 ; CHECK-NEXT:     br i1 [[COND2]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:        mainloop:

Modified: llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ult.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ult.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ult.ll (original)
+++ llvm/trunk/test/Transforms/IRCE/unsigned_comparisons_ult.ll Thu Jun  6 05:35:46 2019
@@ -62,7 +62,7 @@ define void @test_02(i32* %arr, i32* %a_
 ; CHECK-NEXT:     %len = load i32, i32* %a_len_ptr, !range !0
 ; CHECK-NEXT:     [[COND1:%[^ ]+]] = icmp ugt i32 %len, 1
 ; CHECK-NEXT:     [[UMIN:%[^ ]+]] = select i1 [[COND1]], i32 %len, i32 1
-; CHECK-NEXT:     %exit.preloop.at = add nsw i32 [[UMIN]], -1
+; CHECK-NEXT:     %exit.preloop.at = add i32 [[UMIN]], -1
 ; CHECK-NEXT:     [[COND2:%[^ ]+]] = icmp ugt i32 100, %exit.preloop.at
 ; CHECK-NEXT:     br i1 [[COND2]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:        mainloop:
@@ -195,7 +195,7 @@ define void @test_05(i32* %arr, i32* %a_
 ; CHECK-NEXT:     %len = load i32, i32* %a_len_ptr, !range !0
 ; CHECK-NEXT:     [[COND1:%[^ ]+]] = icmp ugt i32 %len, 1
 ; CHECK-NEXT:     [[UMIN:%[^ ]+]] = select i1 [[COND1]], i32 %len, i32 1
-; CHECK-NEXT:     %exit.preloop.at = add nsw i32 [[UMIN]], -1
+; CHECK-NEXT:     %exit.preloop.at = add i32 [[UMIN]], -1
 ; CHECK-NEXT:     [[COND2:%[^ ]+]] = icmp ugt i32 -2147483648, %exit.preloop.at
 ; CHECK-NEXT:     br i1 [[COND2]], label %loop.preloop.preheader, label %preloop.pseudo.exit
 ; CHECK:        mainloop:

Modified: llvm/trunk/test/Transforms/IndVarSimplify/lftr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IndVarSimplify/lftr.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IndVarSimplify/lftr.ll (original)
+++ llvm/trunk/test/Transforms/IndVarSimplify/lftr.ll Thu Jun  6 05:35:46 2019
@@ -202,7 +202,7 @@ define void @test_udiv_as_shift(i8* %a,
 ; CHECK:       loop.preheader:
 ; CHECK-NEXT:    [[TMP0:%.*]] = add i8 [[N]], 3
 ; CHECK-NEXT:    [[TMP1:%.*]] = lshr i8 [[TMP0]], 2
-; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i8 [[TMP1]], 1
+; CHECK-NEXT:    [[TMP2:%.*]] = add i8 [[TMP1]], 1
 ; CHECK-NEXT:    br label [[LOOP:%.*]]
 ; CHECK:       loop:
 ; CHECK-NEXT:    [[I1:%.*]] = phi i8 [ [[I1_INC:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]

Modified: llvm/trunk/test/Transforms/IndVarSimplify/loop_evaluate_1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/IndVarSimplify/loop_evaluate_1.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/IndVarSimplify/loop_evaluate_1.ll (original)
+++ llvm/trunk/test/Transforms/IndVarSimplify/loop_evaluate_1.ll Thu Jun  6 05:35:46 2019
@@ -25,7 +25,7 @@ loopexit:               ; preds = %loope
 ; CHECK-LABEL: @test2
 ; CHECK: [[VAR1:%.+]] = add i32 %arg, -11
 ; CHECK: [[VAR2:%.+]] = lshr i32 [[VAR1]], 1
-; CHECK: [[VAR3:%.+]] = add nuw i32 [[VAR2]], 1
+; CHECK: [[VAR3:%.+]] = add i32 [[VAR2]], 1
 ; CHECK: [[VAR4:%.+]] = phi i32 [ 0, %bb ], [ [[VAR3]], %bb1.preheader ]
 ; CHECK: ret i32 [[VAR4]]
 define i32 @test2(i32 %arg) {

Modified: llvm/trunk/test/Transforms/LoopIdiom/X86/unordered-atomic-memcpy.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopIdiom/X86/unordered-atomic-memcpy.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopIdiom/X86/unordered-atomic-memcpy.ll (original)
+++ llvm/trunk/test/Transforms/LoopIdiom/X86/unordered-atomic-memcpy.ll Thu Jun  6 05:35:46 2019
@@ -282,7 +282,7 @@ for.end:
 ;; memcpy.atomic formation (atomic load & store) -- element size 2
 define void @test6(i64 %Size) nounwind ssp {
 ; CHECK-LABEL: @test6(
-; CHECK: [[Sz:%[0-9]+]] = shl nuw i64 %Size, 1
+; CHECK: [[Sz:%[0-9]+]] = shl i64 %Size, 1
 ; CHECK: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 2 %Dest{{[0-9]*}}, i8* align 2 %Base{{[0-9]*}}, i64 [[Sz]], i32 2)
 ; CHECK-NOT: store
 ; CHECK: ret void
@@ -308,7 +308,7 @@ for.end:
 ;; memcpy.atomic formation (atomic load & store) -- element size 4
 define void @test7(i64 %Size) nounwind ssp {
 ; CHECK-LABEL: @test7(
-; CHECK: [[Sz:%[0-9]+]] = shl nuw i64 %Size, 2
+; CHECK: [[Sz:%[0-9]+]] = shl i64 %Size, 2
 ; CHECK: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 4 %Dest{{[0-9]*}}, i8* align 4 %Base{{[0-9]*}}, i64 [[Sz]], i32 4)
 ; CHECK-NOT: store
 ; CHECK: ret void
@@ -334,7 +334,7 @@ for.end:
 ;; memcpy.atomic formation (atomic load & store) -- element size 8
 define void @test8(i64 %Size) nounwind ssp {
 ; CHECK-LABEL: @test8(
-; CHECK: [[Sz:%[0-9]+]] = shl nuw i64 %Size, 3
+; CHECK: [[Sz:%[0-9]+]] = shl i64 %Size, 3
 ; CHECK: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 8 %Dest{{[0-9]*}}, i8* align 8 %Base{{[0-9]*}}, i64 [[Sz]], i32 8)
 ; CHECK-NOT: store
 ; CHECK: ret void
@@ -360,7 +360,7 @@ for.end:
 ;; memcpy.atomic formation rejection (atomic load & store) -- element size 16
 define void @test9(i64 %Size) nounwind ssp {
 ; CHECK-LABEL: @test9(
-; CHECK: [[Sz:%[0-9]+]] = shl nuw i64 %Size, 4
+; CHECK: [[Sz:%[0-9]+]] = shl i64 %Size, 4
 ; CHECK: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 %Dest{{[0-9]*}}, i8* align 16 %Base{{[0-9]*}}, i64 [[Sz]], i32 16)
 ; CHECK-NOT: store
 ; CHECK: ret void

Modified: llvm/trunk/test/Transforms/LoopIdiom/basic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopIdiom/basic.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopIdiom/basic.ll (original)
+++ llvm/trunk/test/Transforms/LoopIdiom/basic.ll Thu Jun  6 05:35:46 2019
@@ -46,7 +46,7 @@ for.end:
   ret void
 ; CHECK-LABEL: @test1_i16(
 ; CHECK: %[[BaseBC:.*]] = bitcast i16* %Base to i8*
-; CHECK: %[[Sz:[0-9]+]] = shl nuw i64 %Size, 1
+; CHECK: %[[Sz:[0-9]+]] = shl i64 %Size, 1
 ; CHECK: call void @llvm.memset.p0i8.i64(i8* align 2 %[[BaseBC]], i8 0, i64 %[[Sz]], i1 false)
 ; CHECK-NOT: store
 }
@@ -92,7 +92,7 @@ for.end:
   ret void
 ; CHECK-LABEL: @test2(
 ; CHECK: br i1 %cmp10,
-; CHECK: %0 = shl nuw i64 %Size, 2
+; CHECK: %0 = shl i64 %Size, 2
 ; CHECK: call void @llvm.memset.p0i8.i64(i8* align 4 %Base1, i8 1, i64 %0, i1 false)
 ; CHECK-NOT: store
 }
@@ -212,7 +212,7 @@ for.end:
 ; CHECK-LABEL: @test6_dest_align(
 ; CHECK: %[[Dst:.*]] = bitcast i32* %Dest to i8*
 ; CHECK: %[[Src:.*]] = bitcast i32* %Base to i8*
-; CHECK: %[[Sz:[0-9]+]] = shl nuw i64 %Size, 2
+; CHECK: %[[Sz:[0-9]+]] = shl i64 %Size, 2
 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %[[Dst]], i8* align 1 %[[Src]], i64 %[[Sz]], i1 false)
 ; CHECK-NOT: store
 ; CHECK: ret void
@@ -238,7 +238,7 @@ for.end:
 ; CHECK-LABEL: @test6_src_align(
 ; CHECK: %[[Dst]] = bitcast i32* %Dest to i8*
 ; CHECK: %[[Src]] = bitcast i32* %Base to i8*
-; CHECK: %[[Sz:[0-9]+]] = shl nuw i64 %Size, 2
+; CHECK: %[[Sz:[0-9]+]] = shl i64 %Size, 2
 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %[[Dst]], i8* align 4 %[[Src]], i64 %[[Sz]], i1 false)
 ; CHECK-NOT: store
 ; CHECK: ret void
@@ -653,7 +653,7 @@ loop.ph:
   br label %loop.body
 ; CHECK:       loop.ph:
 ; CHECK-NEXT:    %[[ZEXT_SIZE:.*]] = zext i32 %size to i64
-; CHECK-NEXT:    %[[SCALED_SIZE:.*]] = shl nuw nsw i64 %[[ZEXT_SIZE]], 3
+; CHECK-NEXT:    %[[SCALED_SIZE:.*]] = shl i64 %[[ZEXT_SIZE]], 3
 ; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* align 8 %{{.*}}, i8 0, i64 %[[SCALED_SIZE]], i1 false)
 
 loop.body:
@@ -685,7 +685,7 @@ loop.ph:
   br label %loop.body
 ; CHECK:       loop.ph:
 ; CHECK-NEXT:    %[[ZEXT_SIZE:.*]] = zext i32 %size to i64
-; CHECK-NEXT:    %[[SCALED_SIZE:.*]] = shl nuw nsw i64 %[[ZEXT_SIZE]], 3
+; CHECK-NEXT:    %[[SCALED_SIZE:.*]] = shl i64 %[[ZEXT_SIZE]], 3
 ; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i64 %[[SCALED_SIZE]], i1 false)
 
 loop.body:

Modified: llvm/trunk/test/Transforms/LoopIdiom/memcpy-debugify-remarks.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopIdiom/memcpy-debugify-remarks.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopIdiom/memcpy-debugify-remarks.ll (original)
+++ llvm/trunk/test/Transforms/LoopIdiom/memcpy-debugify-remarks.ll Thu Jun  6 05:35:46 2019
@@ -13,7 +13,7 @@ define void @test6_dest_align(i32* noali
 ; CHECK-NEXT:  bb.nph:
 ; CHECK-NEXT:    [[DEST1:%.*]] = bitcast i32* [[DEST:%.*]] to i8*
 ; CHECK-NEXT:    [[BASE2:%.*]] = bitcast i32* [[BASE:%.*]] to i8*
-; CHECK-NEXT:    [[TMP0:%.*]] = shl nuw i64 [[SIZE:%.*]], 2, !dbg !18
+; CHECK-NEXT:    [[TMP0:%.*]] = shl i64 [[SIZE:%.*]], 2, !dbg !18
 ; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[DEST1]], i8* align 1 [[BASE2]], i64 [[TMP0]], i1 false), !dbg !19
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]], !dbg !18
 ; CHECK:       for.body:

Modified: llvm/trunk/test/Transforms/LoopReroll/basic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopReroll/basic.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopReroll/basic.ll (original)
+++ llvm/trunk/test/Transforms/LoopReroll/basic.ll Thu Jun  6 05:35:46 2019
@@ -745,7 +745,7 @@ define void @pointer_bitcast_baseinst(i1
 ; CHECK-LABEL: @pointer_bitcast_baseinst(
 ; CHECK:       bb3:
 ; CHECK-NEXT:    %indvar = phi i64 [ %indvar.next, %bb3 ], [ 0, %bb ]
-; CHECK-NEXT:    %4 = shl nuw i64 %indvar, 3
+; CHECK-NEXT:    %4 = shl i64 %indvar, 3
 ; CHECK-NEXT:    %5 = add i64 %4, 1
 ; CHECK-NEXT:    %tmp5 = shl nuw i64 %5, 1
 ; CHECK-NEXT:    %tmp6 = getelementptr i8, i8* %arg1, i64 %tmp5

Modified: llvm/trunk/test/Transforms/LoopReroll/complex_reroll.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopReroll/complex_reroll.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopReroll/complex_reroll.ll (original)
+++ llvm/trunk/test/Transforms/LoopReroll/complex_reroll.ll Thu Jun  6 05:35:46 2019
@@ -104,7 +104,7 @@ while.body:
 ;CHECK-NEXT:  %indvar = phi i64 [ %indvar.next, %while.body ], [ 0, %while.body.preheader ]
 ;CHECK-NEXT:  %S.012 = phi i32 [ %add, %while.body ], [ undef, %while.body.preheader ]
 ;CHECK-NEXT:  %4 = trunc i64 %indvar to i32
-;CHECK-NEXT:  %5 = mul nsw i64 %indvar, -1
+;CHECK-NEXT:  %5 = mul i64 %indvar, -1
 ;CHECK-NEXT:  %scevgep = getelementptr i32, i32* %buf, i64 %5
 ;CHECK-NEXT:  %6 = load i32, i32* %scevgep, align 4
 ;CHECK-NEXT:  %add = add nsw i32 %6, %S.012

Modified: llvm/trunk/test/Transforms/LoopReroll/nonconst_lb.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopReroll/nonconst_lb.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopReroll/nonconst_lb.ll (original)
+++ llvm/trunk/test/Transforms/LoopReroll/nonconst_lb.ll Thu Jun  6 05:35:46 2019
@@ -52,7 +52,7 @@ for.end:
 ; CHECK:   %0 = add i32 %n, -1
 ; CHECK:   %1 = sub i32 %0, %m
 ; CHECK:   %2 = lshr i32 %1, 2
-; CHECK:   %3 = shl nuw i32 %2, 2
+; CHECK:   %3 = shl i32 %2, 2
 ; CHECK:   %4 = add i32 %3, 3
 ; CHECK:   br label %for.body
 
@@ -131,7 +131,7 @@ for.end:
 ; CHECK:   %0 = add i32 %n, -1
 ; CHECK:   %1 = sub i32 %0, %rem
 ; CHECK:   %2 = lshr i32 %1, 2
-; CHECK:   %3 = shl nuw i32 %2, 2
+; CHECK:   %3 = shl i32 %2, 2
 ; CHECK:   %4 = add i32 %3, 3
 ; CHECK:   br label %for.body
 

Modified: llvm/trunk/test/Transforms/LoopReroll/ptrindvar.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopReroll/ptrindvar.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopReroll/ptrindvar.ll (original)
+++ llvm/trunk/test/Transforms/LoopReroll/ptrindvar.ll Thu Jun  6 05:35:46 2019
@@ -52,7 +52,7 @@ while.body:
 ;CHECK-LABEL: while.body:
 ;CHECK-NEXT:    %indvar = phi i64 [ %indvar.next, %while.body ], [ 0, %while.body.preheader ]
 ;CHECK-NEXT:    %S.011 = phi i32 [ %add, %while.body ], [ undef, %while.body.preheader ]
-;CHECK-NEXT:    %4 = mul nsw i64 %indvar, -1
+;CHECK-NEXT:    %4 = mul i64 %indvar, -1
 ;CHECK-NEXT:    %scevgep = getelementptr i32, i32* %buf, i64 %4
 ;CHECK-NEXT:    %5 = load i32, i32* %scevgep, align 4
 ;CHECK-NEXT:    %add = add nsw i32 %5, %S.011

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/2011-10-06-ReusePhi.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/2011-10-06-ReusePhi.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/2011-10-06-ReusePhi.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/2011-10-06-ReusePhi.ll Thu Jun  6 05:35:46 2019
@@ -12,8 +12,8 @@ target datalayout = "n8:16:32:64"
 ; CHECK-LABEL: @test(
 ; multiplies are hoisted out of the loop
 ; CHECK: while.body.lr.ph:
-; CHECK: shl nsw i64
-; CHECK: shl nsw i64
+; CHECK: shl i64
+; CHECK: shl i64
 ; GEPs are ugly
 ; CHECK: while.body:
 ; CHECK: phi

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/X86/lsr-expand-quadratic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/X86/lsr-expand-quadratic.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/X86/lsr-expand-quadratic.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/X86/lsr-expand-quadratic.ll Thu Jun  6 05:35:46 2019
@@ -29,7 +29,7 @@ target triple = "x86_64-apple-macosx"
 ; CHECK-LABEL: for.end:
 ; CHECK:  %tobool.us = icmp eq i32 %lsr.iv.next, 0
 ; CHECK:  %sub.us = select i1 %tobool.us, i32 0, i32 0
-; CHECK:  %0 = sub nuw nsw i32 0, %sub.us
+; CHECK:  %0 = sub i32 0, %sub.us
 ; CHECK:  %1 = sub i32 %0, %lsr.iv.next
 ; CHECK:  %sext.us = mul i32 %lsr.iv.next2, %1
 ; CHECK:  %f = ashr i32 %sext.us, 24

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/X86/nested-loop.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/X86/nested-loop.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/X86/nested-loop.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/X86/nested-loop.ll Thu Jun  6 05:35:46 2019
@@ -14,7 +14,7 @@ define void @foo(i32 %size, i32 %nsteps,
 ; CHECK-NEXT:    [[CMP215:%.*]] = icmp sgt i32 [[SIZE:%.*]], 1
 ; CHECK-NEXT:    [[T0:%.*]] = zext i32 [[SIZE]] to i64
 ; CHECK-NEXT:    [[T1:%.*]] = sext i32 [[NSTEPS:%.*]] to i64
-; CHECK-NEXT:    [[TMP0:%.*]] = add nsw i64 [[T0]], -1
+; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[T0]], -1
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[LSR_IV1:%.*]] = phi i64 [ [[LSR_IV_NEXT2:%.*]], [[FOR_INC:%.*]] ], [ 1, [[ENTRY:%.*]] ]

Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll Thu Jun  6 05:35:46 2019
@@ -8,7 +8,7 @@
 ; CHECK:   [[r2:%[a-z0-9\.]+]] = lshr exact i64 [[r1]], 1
 ; CHECK:   [[r3:%[a-z0-9\.]+]] = bitcast i64 [[r2]] to i64
 ; CHECK: for.body.lr.ph:
-; CHECK:   [[r4:%[a-z0-9]+]] = shl nuw i64 [[r3]], 1
+; CHECK:   [[r4:%[a-z0-9]+]] = shl i64 [[r3]], 1
 ; CHECK:   br label %for.body
 ; CHECK: for.body:
 ; CHECK:   %lsr.iv2 = phi i64 [ %lsr.iv.next, %for.body ], [ [[r4]], %for.body.lr.ph ]

Modified: llvm/trunk/test/Transforms/LoopVectorize/AArch64/pr36032.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/AArch64/pr36032.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopVectorize/AArch64/pr36032.ll (original)
+++ llvm/trunk/test/Transforms/LoopVectorize/AArch64/pr36032.ll Thu Jun  6 05:35:46 2019
@@ -29,7 +29,7 @@ define void @_Z1dv() local_unnamed_addr
 ; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
 ; CHECK:       vector.scevcheck:
-; CHECK-NEXT:    [[TMP2:%.*]] = sub nsw i64 3, [[TMP0]]
+; CHECK-NEXT:    [[TMP2:%.*]] = sub i64 3, [[TMP0]]
 ; CHECK-NEXT:    [[TMP3:%.*]] = add i32 [[G_0]], [[CONV]]
 ; CHECK-NEXT:    [[TMP4:%.*]] = trunc i64 [[TMP2]] to i32
 ; CHECK-NEXT:    [[MUL:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 1, i32 [[TMP4]])

Modified: llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll?rev=362699&r1=362698&r2=362699&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll (original)
+++ llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll Thu Jun  6 05:35:46 2019
@@ -27,7 +27,7 @@ define void @foo(i32* nocapture %a, i32*
 ; CHECK:       for.body3.lr.ph.us.preheader:
 ; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[M]], -1
 ; CHECK-NEXT:    [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
-; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
+; CHECK-NEXT:    [[TMP2:%.*]] = add i64 [[TMP1]], 1
 ; CHECK-NEXT:    [[TMP3:%.*]] = zext i32 [[K:%.*]] to i64
 ; CHECK-NEXT:    br label [[FOR_BODY3_LR_PH_US:%.*]]
 ; CHECK:       for.end.us:




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