[llvm] 9df0b25 - [NFC] Switch a few uses of undef to poison as placeholders for unreachable code
Nuno Lopes via llvm-commits
llvm-commits at lists.llvm.org
Sat Jul 23 13:50:29 PDT 2022
Author: Nuno Lopes
Date: 2022-07-23T21:50:11+01:00
New Revision: 9df0b254d24eca0987d9f88e998b4432f8608ff2
URL: https://github.com/llvm/llvm-project/commit/9df0b254d24eca0987d9f88e998b4432f8608ff2
DIFF: https://github.com/llvm/llvm-project/commit/9df0b254d24eca0987d9f88e998b4432f8608ff2.diff
LOG: [NFC] Switch a few uses of undef to poison as placeholders for unreachable code
Added:
Modified:
llvm/include/llvm/IR/IRBuilder.h
llvm/include/llvm/Transforms/InstCombine/InstCombiner.h
llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
llvm/lib/Transforms/Utils/CloneFunction.cpp
llvm/lib/Transforms/Utils/InlineFunction.cpp
llvm/lib/Transforms/Utils/Local.cpp
llvm/lib/Transforms/Utils/LoopUtils.cpp
llvm/lib/Transforms/Utils/LowerAtomic.cpp
llvm/lib/Transforms/Utils/SimplifyCFG.cpp
llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll
llvm/test/Transforms/InstCombine/objsize.ll
llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll
llvm/test/Transforms/LoopDeletion/use-in-unreachable.ll
llvm/test/Transforms/LoopStrengthReduce/pr51656.ll
llvm/test/Transforms/LoopStrengthReduce/pr52161.ll
llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll
llvm/test/Transforms/LoopVectorize/X86/small-size.ll
llvm/test/Transforms/LoopVectorize/bsd_regex.ll
llvm/test/Transforms/LoopVectorize/induction.ll
llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
llvm/test/Transforms/LoopVectorize/reduction-predselect.ll
llvm/test/Transforms/LoopVectorize/trunc-reductions.ll
llvm/test/Transforms/LowerAtomic/atomic-swap.ll
Removed:
################################################################################
diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
index cec26e966b5cf..0d3ffba955a33 100644
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -974,7 +974,7 @@ class IRBuilderBase {
/// This is a convenience function for code that uses aggregate return values
/// as a vehicle for having multiple return values.
ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
- Value *V = UndefValue::get(getCurrentFunctionReturnType());
+ Value *V = PoisonValue::get(getCurrentFunctionReturnType());
for (unsigned i = 0; i != N; ++i)
V = CreateInsertValue(V, retVals[i], i, "mrv");
return Insert(ReturnInst::Create(Context, V));
diff --git a/llvm/include/llvm/Transforms/InstCombine/InstCombiner.h b/llvm/include/llvm/Transforms/InstCombine/InstCombiner.h
index ae19fbfb49a78..87eeb8e020a69 100644
--- a/llvm/include/llvm/Transforms/InstCombine/InstCombiner.h
+++ b/llvm/include/llvm/Transforms/InstCombine/InstCombiner.h
@@ -425,7 +425,7 @@ class LLVM_LIBRARY_VISIBILITY InstCombiner {
// If we are replacing the instruction with itself, this must be in a
// segment of unreachable code, so just clobber the instruction.
if (&I == V)
- V = UndefValue::get(I.getType());
+ V = PoisonValue::get(I.getType());
LLVM_DEBUG(dbgs() << "IC: Replacing " << I << "\n"
<< " with " << *V << '\n');
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index b08bf480923ac..e3cb5f359e346 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -80,7 +80,7 @@ void llvm::detachDeadBlocks(
// contained within it must dominate their uses, that all uses will
// eventually be removed (they are themselves dead).
if (!I.use_empty())
- I.replaceAllUsesWith(UndefValue::get(I.getType()));
+ I.replaceAllUsesWith(PoisonValue::get(I.getType()));
BB->getInstList().pop_back();
}
new UnreachableInst(BB->getContext(), BB);
@@ -1142,7 +1142,7 @@ SplitBlockPredecessorsImpl(BasicBlock *BB, ArrayRef<BasicBlock *> Preds,
if (Preds.empty()) {
// Insert dummy values as the incoming value.
for (BasicBlock::iterator I = BB->begin(); isa<PHINode>(I); ++I)
- cast<PHINode>(I)->addIncoming(UndefValue::get(I->getType()), NewBB);
+ cast<PHINode>(I)->addIncoming(PoisonValue::get(I->getType()), NewBB);
}
// Update DominatorTree, LoopInfo, and LCCSA analysis information.
diff --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp
index e737a594146f4..1d348213bfdbd 100644
--- a/llvm/lib/Transforms/Utils/CloneFunction.cpp
+++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp
@@ -734,14 +734,14 @@ void llvm::CloneAndPruneIntoFromInst(Function *NewFunc, const Function *OldFunc,
}
// If the loops above have made these phi nodes have 0 or 1 operand,
- // replace them with undef or the input value. We must do this for
+ // replace them with poison or the input value. We must do this for
// correctness, because 0-operand phis are not valid.
PN = cast<PHINode>(NewBB->begin());
if (PN->getNumIncomingValues() == 0) {
BasicBlock::iterator I = NewBB->begin();
BasicBlock::const_iterator OldI = OldBB->begin();
while ((PN = dyn_cast<PHINode>(I++))) {
- Value *NV = UndefValue::get(PN->getType());
+ Value *NV = PoisonValue::get(PN->getType());
PN->replaceAllUsesWith(NV);
assert(VMap[&*OldI] == PN && "VMap mismatch");
VMap[&*OldI] = NV;
diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index 7e835bd863ec4..00387ec426bfe 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -2627,7 +2627,7 @@ llvm::InlineResult llvm::InlineFunction(CallBase &CB, InlineFunctionInfo &IFI,
} else if (!CB.use_empty()) {
// No returns, but something is using the return value of the call. Just
// nuke the result.
- CB.replaceAllUsesWith(UndefValue::get(CB.getType()));
+ CB.replaceAllUsesWith(PoisonValue::get(CB.getType()));
}
// Since we are now done with the Call/Invoke, we can delete it.
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index c1cf1f10c4100..2f1d0c2f9012c 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -638,7 +638,7 @@ bool llvm::RecursivelyDeleteDeadPHINode(PHINode *PN,
// won't prove fruitful.
if (!Visited.insert(I).second) {
// Break the cycle and delete the instruction and its operands.
- I->replaceAllUsesWith(UndefValue::get(I->getType()));
+ I->replaceAllUsesWith(PoisonValue::get(I->getType()));
(void)RecursivelyDeleteTriviallyDeadInstructions(I, TLI, MSSAU);
return true;
}
@@ -751,8 +751,8 @@ void llvm::MergeBasicBlockIntoOnlyPred(BasicBlock *DestBB,
// If BB has single-entry PHI nodes, fold them.
while (PHINode *PN = dyn_cast<PHINode>(DestBB->begin())) {
Value *NewVal = PN->getIncomingValue(0);
- // Replace self referencing PHI with undef, it must be dead.
- if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
+ // Replace self referencing PHI with poison, it must be dead.
+ if (NewVal == PN) NewVal = PoisonValue::get(PN->getType());
PN->replaceAllUsesWith(NewVal);
PN->eraseFromParent();
}
@@ -2106,7 +2106,7 @@ llvm::removeAllNonTerminatorAndEHPadInstructions(BasicBlock *BB) {
// Delete the next to last instruction.
Instruction *Inst = &*--EndInst->getIterator();
if (!Inst->use_empty() && !Inst->getType()->isTokenTy())
- Inst->replaceAllUsesWith(UndefValue::get(Inst->getType()));
+ Inst->replaceAllUsesWith(PoisonValue::get(Inst->getType()));
if (Inst->isEHPad() || Inst->getType()->isTokenTy()) {
EndInst = Inst;
continue;
@@ -2145,7 +2145,7 @@ unsigned llvm::changeToUnreachable(Instruction *I, bool PreserveLCSSA,
BasicBlock::iterator BBI = I->getIterator(), BBE = BB->end();
while (BBI != BBE) {
if (!BBI->use_empty())
- BBI->replaceAllUsesWith(UndefValue::get(BBI->getType()));
+ BBI->replaceAllUsesWith(PoisonValue::get(BBI->getType()));
BB->getInstList().erase(BBI++);
++NumInstrsRemoved;
}
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp
index 4119d8cfb83a6..349063dd5e892 100644
--- a/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -602,10 +602,10 @@ void llvm::deleteDeadLoop(Loop *L, DominatorTree *DT, ScalarEvolution *SE,
// loop will be already eliminated and we have less work to do but according
// to API doc of User::dropAllReferences only valid operation after dropping
// references, is deletion. So let's substitute all usages of
- // instruction from the loop with undef value of corresponding type first.
+ // instruction from the loop with poison value of corresponding type first.
for (auto *Block : L->blocks())
for (Instruction &I : *Block) {
- auto *Undef = UndefValue::get(I.getType());
+ auto *Poison = PoisonValue::get(I.getType());
for (Use &U : llvm::make_early_inc_range(I.uses())) {
if (auto *Usr = dyn_cast<Instruction>(U.getUser()))
if (L->contains(Usr->getParent()))
@@ -615,7 +615,7 @@ void llvm::deleteDeadLoop(Loop *L, DominatorTree *DT, ScalarEvolution *SE,
if (DT)
assert(!DT->isReachableFromEntry(U) &&
"Unexpected user in reachable block");
- U.set(Undef);
+ U.set(Poison);
}
auto *DVI = dyn_cast<DbgVariableIntrinsic>(&I);
if (!DVI)
diff --git a/llvm/lib/Transforms/Utils/LowerAtomic.cpp b/llvm/lib/Transforms/Utils/LowerAtomic.cpp
index 9914a5ca6c5e0..2247b81077391 100644
--- a/llvm/lib/Transforms/Utils/LowerAtomic.cpp
+++ b/llvm/lib/Transforms/Utils/LowerAtomic.cpp
@@ -31,7 +31,7 @@ bool llvm::lowerAtomicCmpXchgInst(AtomicCmpXchgInst *CXI) {
Value *Res = Builder.CreateSelect(Equal, Val, Orig);
Builder.CreateStore(Res, Ptr);
- Res = Builder.CreateInsertValue(UndefValue::get(CXI->getType()), Orig, 0);
+ Res = Builder.CreateInsertValue(PoisonValue::get(CXI->getType()), Orig, 0);
Res = Builder.CreateInsertValue(Res, Equal, 1);
CXI->replaceAllUsesWith(Res);
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index 4b5ade99767b2..1806081678a86 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -4851,7 +4851,7 @@ static bool removeEmptyCleanup(CleanupReturnInst *RI, DomTreeUpdater *DTU) {
PN.moveBefore(InsertPt);
// Also, add a dummy incoming value for the original BB itself,
// so that the PHI is well-formed until we drop said predecessor.
- PN.addIncoming(UndefValue::get(PN.getType()), BB);
+ PN.addIncoming(PoisonValue::get(PN.getType()), BB);
}
}
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
index dfc0de54d67f3..0ab79a32f5267 100644
--- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
@@ -593,7 +593,7 @@ bool SimplifyIndvar::eliminateTrunc(TruncInst *TI) {
}
// Trunc no longer needed.
- TI->replaceAllUsesWith(UndefValue::get(TI->getType()));
+ TI->replaceAllUsesWith(PoisonValue::get(TI->getType()));
DeadInsts.emplace_back(TI);
return true;
}
diff --git a/llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll b/llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll
index fefa170e81314..a6a22c93bc4a5 100644
--- a/llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll
+++ b/llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll
@@ -503,7 +503,7 @@ define void @test_11() {
; CHECK: bb4:
; CHECK-NEXT: br label [[BB6]]
; CHECK: bb5:
-; CHECK-NEXT: [[_TMP24:%.*]] = icmp slt i16 undef, 0
+; CHECK-NEXT: [[_TMP24:%.*]] = icmp slt i16 poison, 0
; CHECK-NEXT: br i1 [[_TMP24]], label [[BB5:%.*]], label [[BB5]]
; CHECK: bb6:
; CHECK-NEXT: br i1 false, label [[BB1]], label [[BB7:%.*]]
diff --git a/llvm/test/Transforms/InstCombine/objsize.ll b/llvm/test/Transforms/InstCombine/objsize.ll
index 63df28b944887..d6cdc5e1ab294 100644
--- a/llvm/test/Transforms/InstCombine/objsize.ll
+++ b/llvm/test/Transforms/InstCombine/objsize.ll
@@ -23,7 +23,7 @@ define i8* @bar() nounwind {
; CHECK-NEXT: [[TMP0:%.*]] = load i8*, i8** [[RETVAL]], align 4
; CHECK-NEXT: ret i8* [[TMP0]]
; CHECK: cond.false:
-; CHECK-NEXT: ret i8* undef
+; CHECK-NEXT: ret i8* poison
;
entry:
%retval = alloca i8*
@@ -85,7 +85,7 @@ entry:
}
@.str5 = private constant [9 x i32] [i32 97, i32 98, i32 99, i32 100, i32 0, i32
- 101, i32 102, i32 103, i32 0], align 4
+ 101, i32 102, i32 103, i32 0], align 4
define i32 @test2() nounwind {
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i32 34
diff --git a/llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll b/llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll
index 3e8a16fd4ba1f..eb83865e3e5cc 100644
--- a/llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll
+++ b/llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll
@@ -11,7 +11,7 @@ define i32 @test1(i32 %a, i32 %b) {
; CHECK: bb1:
; CHECK-NEXT: br i1 false, label [[BB2:%.*]], label [[BB3]]
; CHECK: bb2:
-; CHECK-NEXT: ret i32 undef
+; CHECK-NEXT: ret i32 poison
; CHECK: bb3:
; CHECK-NEXT: ret i32 0
;
@@ -67,7 +67,7 @@ define i32 @test3(i32 %a, i32 %b) {
; CHECK: bb1:
; CHECK-NEXT: br i1 false, label [[BB2:%.*]], label [[BB3]]
; CHECK: bb2:
-; CHECK-NEXT: ret i32 undef
+; CHECK-NEXT: ret i32 poison
; CHECK: bb3:
; CHECK-NEXT: ret i32 0
;
@@ -151,7 +151,7 @@ define i32 @test6(i32 %a, i32 %b) {
; CHECK: bb1:
; CHECK-NEXT: br i1 true, label [[BB3]], label [[BB2:%.*]]
; CHECK: bb2:
-; CHECK-NEXT: ret i32 undef
+; CHECK-NEXT: ret i32 poison
; CHECK: bb3:
; CHECK-NEXT: ret i32 0
;
diff --git a/llvm/test/Transforms/LoopDeletion/use-in-unreachable.ll b/llvm/test/Transforms/LoopDeletion/use-in-unreachable.ll
index ff7bc7566c05c..2d3098dc99e89 100644
--- a/llvm/test/Transforms/LoopDeletion/use-in-unreachable.ll
+++ b/llvm/test/Transforms/LoopDeletion/use-in-unreachable.ll
@@ -19,6 +19,6 @@ loopexit:
ret i64 0
deadcode:
; CHECK-LABEL: deadcode
-; CHECK: ret i64 undef
+; CHECK: ret i64 poison
ret i64 %baddef
}
diff --git a/llvm/test/Transforms/LoopStrengthReduce/pr51656.ll b/llvm/test/Transforms/LoopStrengthReduce/pr51656.ll
index 8a8a111b76e39..8e468185d5624 100644
--- a/llvm/test/Transforms/LoopStrengthReduce/pr51656.ll
+++ b/llvm/test/Transforms/LoopStrengthReduce/pr51656.ll
@@ -74,7 +74,7 @@ for.body2.preheader: ; preds = %entry
for.body2: ; preds = %for.body2.preheader, %for.body2
%0 = phi i32 [ %sub, %for.body2 ], [ %.pr, %for.body2.preheader ]
%sub = sub nsw i32 %0, %mul.47, !dbg !40
- ; CHECK: call void @llvm.dbg.value(metadata !DIArgList(i32 undef, i32 %mul.47), metadata ![[VAR_e:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_LLVM_convert, 64, DW_ATE_signed, DW_OP_stack_value))
+ ; CHECK: call void @llvm.dbg.value(metadata !DIArgList(i32 poison, i32 %mul.47), metadata ![[VAR_e:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_LLVM_convert, 64, DW_ATE_signed, DW_OP_stack_value))
call void @llvm.dbg.value(metadata i32 %sub, metadata !20, metadata !DIExpression(DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_LLVM_convert, 64, DW_ATE_signed, DW_OP_stack_value)), !dbg !41
%tobool.not = icmp eq i32 %sub, 0, !dbg !39
br i1 %tobool.not, label %for.cond1.for.end3_crit_edge, label %for.body2, !dbg !39, !llvm.loop !42
@@ -84,7 +84,7 @@ for.cond1.for.end3_crit_edge: ; preds = %for.body2
br label %for.end3, !dbg !39
for.end3: ; preds = %for.cond1.for.end3_crit_edge, %entry
- ret i32 undef, !dbg !45
+ ret i32 poison, !dbg !45
}
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
diff --git a/llvm/test/Transforms/LoopStrengthReduce/pr52161.ll b/llvm/test/Transforms/LoopStrengthReduce/pr52161.ll
index 0808f85e91025..47b8fda174982 100644
--- a/llvm/test/Transforms/LoopStrengthReduce/pr52161.ll
+++ b/llvm/test/Transforms/LoopStrengthReduce/pr52161.ll
@@ -5,9 +5,9 @@
target triple = "x86_64-unknown-linux-gnu"
-define i16 @n() !dbg !8 {
+define i16 @n(i1 %c1) !dbg !8 {
entry:
- br i1 undef, label %m, label %for.body
+ br i1 %c1, label %m, label %for.body
for.body: ; preds = %for.body, %entry
%iv = phi i16 [ %ivdec, %for.body ], [ 14, %entry ]
@@ -18,7 +18,7 @@ for.body: ; preds = %for.body, %entry
m: ; preds = %m, %entry
%0 = phi i16 [ 3, %m ], [ 6, %entry ]
%gg = add i16 %0, 23
- ; CHECK: call void @llvm.dbg.value(metadata i16 undef, metadata !{{[0-9]+}}, metadata !DIExpression()),
+ ; CHECK: call void @llvm.dbg.value(metadata i16 poison, metadata !{{[0-9]+}}, metadata !DIExpression()),
call void @llvm.dbg.value(metadata i16 %0, metadata !14, metadata !DIExpression()), !dbg !19
br label %m
}
diff --git a/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll b/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
index 098c95c128bda..0bdbca2a1ffd0 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
@@ -44,7 +44,7 @@ define void @foo(i32* noalias nocapture %a, i32* noalias nocapture readonly %b)
; SSE: for.cond.cleanup:
; SSE-NEXT: ret void
; SSE: for.body:
-; SSE-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
+; SSE-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
;
; AVX1-LABEL: @foo(
; AVX1-NEXT: entry:
@@ -106,7 +106,7 @@ define void @foo(i32* noalias nocapture %a, i32* noalias nocapture readonly %b)
; AVX1: for.cond.cleanup:
; AVX1-NEXT: ret void
; AVX1: for.body:
-; AVX1-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
+; AVX1-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
;
; AVX2-LABEL: @foo(
; AVX2-NEXT: entry:
@@ -168,7 +168,7 @@ define void @foo(i32* noalias nocapture %a, i32* noalias nocapture readonly %b)
; AVX2: for.cond.cleanup:
; AVX2-NEXT: ret void
; AVX2: for.body:
-; AVX2-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
+; AVX2-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
;
; ATOM-LABEL: @foo(
; ATOM-NEXT: entry:
diff --git a/llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll b/llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll
index 7d014e1232468..9b57518f328ae 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll
@@ -76,15 +76,15 @@ define void @parallel_loop(i32* nocapture %a, i32* nocapture %b) nounwind uwtabl
; CHECK-NEXT: [[TMP2:%.*]] = or i64 [[INDEX]], 3
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4, !llvm.access.group !0
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4, !llvm.access.group [[ACC_GRP0:![0-9]+]]
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP2]]
-; CHECK-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP5]], align 4, !llvm.access.group !0
-; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP6]], align 4, !llvm.access.group !0
-; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP7]], align 4, !llvm.access.group !0
-; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[TMP8]], align 4, !llvm.access.group !0
+; CHECK-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP5]], align 4, !llvm.access.group [[ACC_GRP0]]
+; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP6]], align 4, !llvm.access.group [[ACC_GRP0]]
+; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP7]], align 4, !llvm.access.group [[ACC_GRP0]]
+; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[TMP8]], align 4, !llvm.access.group [[ACC_GRP0]]
; CHECK-NEXT: [[TMP13:%.*]] = sext i32 [[TMP9]] to i64
; CHECK-NEXT: [[TMP14:%.*]] = sext i32 [[TMP10]] to i64
; CHECK-NEXT: [[TMP15:%.*]] = sext i32 [[TMP11]] to i64
@@ -94,19 +94,19 @@ define void @parallel_loop(i32* nocapture %a, i32* nocapture %b) nounwind uwtabl
; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP15]]
; CHECK-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP16]]
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i64 0
-; CHECK-NEXT: store i32 [[TMP21]], i32* [[TMP17]], align 4, !llvm.access.group !1
+; CHECK-NEXT: store i32 [[TMP21]], i32* [[TMP17]], align 4, !llvm.access.group [[ACC_GRP1:![0-9]+]]
; CHECK-NEXT: [[TMP22:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i64 1
-; CHECK-NEXT: store i32 [[TMP22]], i32* [[TMP18]], align 4, !llvm.access.group !1
+; CHECK-NEXT: store i32 [[TMP22]], i32* [[TMP18]], align 4, !llvm.access.group [[ACC_GRP1]]
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i64 2
-; CHECK-NEXT: store i32 [[TMP23]], i32* [[TMP19]], align 4, !llvm.access.group !1
+; CHECK-NEXT: store i32 [[TMP23]], i32* [[TMP19]], align 4, !llvm.access.group [[ACC_GRP1]]
; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i64 3
-; CHECK-NEXT: store i32 [[TMP24]], i32* [[TMP20]], align 4, !llvm.access.group !1
+; CHECK-NEXT: store i32 [[TMP24]], i32* [[TMP20]], align 4, !llvm.access.group [[ACC_GRP1]]
; CHECK-NEXT: [[TMP25:%.*]] = or i64 [[INDEX]], 1
; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP25]]
; CHECK-NEXT: [[TMP27:%.*]] = bitcast i32* [[TMP26]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP27]], align 4, !llvm.access.group !0
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP27]], align 4, !llvm.access.group [[ACC_GRP0]]
; CHECK-NEXT: [[TMP28:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: store <4 x i32> [[WIDE_LOAD1]], <4 x i32>* [[TMP28]], align 4, !llvm.access.group !0
+; CHECK-NEXT: store <4 x i32> [[WIDE_LOAD1]], <4 x i32>* [[TMP28]], align 4, !llvm.access.group [[ACC_GRP0]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], 512
; CHECK-NEXT: br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
@@ -115,7 +115,7 @@ define void @parallel_loop(i32* nocapture %a, i32* nocapture %b) nounwind uwtabl
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
@@ -156,16 +156,16 @@ define void @mixed_metadata(i32* nocapture %a, i32* nocapture %b) nounwind uwtab
; CHECK: for.body:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4, !llvm.access.group !7
+; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4, !llvm.access.group [[ACC_GRP7:![0-9]+]]
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4, !llvm.access.group !7
+; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4, !llvm.access.group [[ACC_GRP7]]
; CHECK-NEXT: [[IDXPROM3:%.*]] = sext i32 [[TMP1]] to i64
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[IDXPROM3]]
-; CHECK-NEXT: store i32 [[TMP0]], i32* [[ARRAYIDX4]], align 4, !llvm.access.group !8
+; CHECK-NEXT: store i32 [[TMP0]], i32* [[ARRAYIDX4]], align 4, !llvm.access.group [[ACC_GRP8:![0-9]+]]
; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV_NEXT]]
-; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX6]], align 4, !llvm.access.group !7
-; CHECK-NEXT: store i32 [[TMP2]], i32* [[ARRAYIDX2]], align 4, !llvm.access.group !7
+; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX6]], align 4, !llvm.access.group [[ACC_GRP7]]
+; CHECK-NEXT: store i32 [[TMP2]], i32* [[ARRAYIDX2]], align 4, !llvm.access.group [[ACC_GRP7]]
; CHECK-NEXT: [[TMP3:%.*]] = and i64 [[INDVARS_IV_NEXT]], 4294967295
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[TMP3]], 512
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
diff --git a/llvm/test/Transforms/LoopVectorize/X86/small-size.ll b/llvm/test/Transforms/LoopVectorize/X86/small-size.ll
index 8510d956bfb2b..4cba10c485cc7 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/small-size.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/small-size.ll
@@ -46,7 +46,7 @@ define void @example1() optsize {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[TMP9:%.*]]
; CHECK: 9:
-; CHECK-NEXT: br i1 undef, label [[TMP10]], label [[TMP9]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[TMP10]], label [[TMP9]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: 10:
; CHECK-NEXT: ret void
;
@@ -140,18 +140,18 @@ define void @example2(i32 %n, i32 %x) optsize {
; CHECK: vector.ph9:
; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[N]], -1
; CHECK-NEXT: [[TMP19:%.*]] = zext i32 [[TMP18]] to i64
-; CHECK-NEXT: [[N_RND_UP11:%.*]] = add nuw nsw i64 [[TMP19]], 4
-; CHECK-NEXT: [[N_VEC13:%.*]] = and i64 [[N_RND_UP11]], 8589934588
-; CHECK-NEXT: [[BROADCAST_SPLATINSERT18:%.*]] = insertelement <4 x i64> poison, i64 [[TMP19]], i64 0
-; CHECK-NEXT: [[BROADCAST_SPLAT19:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT18]], <4 x i64> poison, <4 x i32> zeroinitializer
-; CHECK-NEXT: br label [[VECTOR_BODY9:%.*]]
+; CHECK-NEXT: [[N_RND_UP10:%.*]] = add nuw nsw i64 [[TMP19]], 4
+; CHECK-NEXT: [[N_VEC12:%.*]] = and i64 [[N_RND_UP10]], 8589934588
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT17:%.*]] = insertelement <4 x i64> poison, i64 [[TMP19]], i64 0
+; CHECK-NEXT: [[BROADCAST_SPLAT18:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT17]], <4 x i64> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT: br label [[VECTOR_BODY19:%.*]]
; CHECK: vector.body19:
; CHECK-NEXT: [[INDEX20:%.*]] = phi i64 [ 0, [[VECTOR_PH9]] ], [ [[INDEX_NEXT31:%.*]], [[PRED_STORE_CONTINUE30:%.*]] ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[I_0_LCSSA]], [[INDEX20]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT21:%.*]] = insertelement <4 x i64> poison, i64 [[INDEX20]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT22:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT21]], <4 x i64> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: [[VEC_IV:%.*]] = or <4 x i64> [[BROADCAST_SPLAT22]], <i64 0, i64 1, i64 2, i64 3>
-; CHECK-NEXT: [[TMP20:%.*]] = icmp ule <4 x i64> [[VEC_IV]], [[BROADCAST_SPLAT19]]
+; CHECK-NEXT: [[TMP20:%.*]] = icmp ule <4 x i64> [[VEC_IV]], [[BROADCAST_SPLAT18]]
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <4 x i1> [[TMP20]], i64 0
; CHECK-NEXT: br i1 [[TMP21]], label [[PRED_STORE_IF23:%.*]], label [[PRED_STORE_CONTINUE24:%.*]]
; CHECK: pred.store.if23:
@@ -204,16 +204,16 @@ define void @example2(i32 %n, i32 %x) optsize {
; CHECK-NEXT: br label [[PRED_STORE_CONTINUE30]]
; CHECK: pred.store.continue30:
; CHECK-NEXT: [[INDEX_NEXT31]] = add i64 [[INDEX20]], 4
-; CHECK-NEXT: [[TMP52:%.*]] = icmp eq i64 [[INDEX_NEXT31]], [[N_VEC13]]
-; CHECK-NEXT: br i1 [[TMP52]], label [[MIDDLE_BLOCK7:%.*]], label [[VECTOR_BODY9]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: [[TMP52:%.*]] = icmp eq i64 [[INDEX_NEXT31]], [[N_VEC12]]
+; CHECK-NEXT: br i1 [[TMP52]], label [[MIDDLE_BLOCK7:%.*]], label [[VECTOR_BODY19]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: middle.block7:
; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH8]]
; CHECK: scalar.ph8:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph5:
-; CHECK-NEXT: br i1 undef, label [[DOT_PREHEADER_CRIT_EDGE]], label [[DOTLR_PH5]], !llvm.loop [[LOOP6:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_PREHEADER_CRIT_EDGE]], label [[DOTLR_PH5]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: ._crit_edge.loopexit:
; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
; CHECK: ._crit_edge:
@@ -331,7 +331,7 @@ define void @example3(i32 %n, i32* noalias nocapture %p, i32* noalias nocapture
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK: ._crit_edge.loopexit:
; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
; CHECK: ._crit_edge:
@@ -421,7 +421,7 @@ define void @example23b(i16* noalias nocapture %src, i32* noalias nocapture %dst
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[TMP6:%.*]]
; CHECK: 6:
-; CHECK-NEXT: br i1 undef, label [[TMP7]], label [[TMP6]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[TMP7]], label [[TMP6]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK: 7:
; CHECK-NEXT: ret void
;
@@ -515,7 +515,7 @@ define void @example23c(i16* noalias nocapture %src, i32* noalias nocapture %dst
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[TMP25:%.*]]
; CHECK: 25:
-; CHECK-NEXT: br i1 undef, label [[TMP26]], label [[TMP25]], !llvm.loop [[LOOP13:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[TMP26]], label [[TMP25]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK: 26:
; CHECK-NEXT: ret void
;
diff --git a/llvm/test/Transforms/LoopVectorize/bsd_regex.ll b/llvm/test/Transforms/LoopVectorize/bsd_regex.ll
index bf9a03a928b24..156ef9cf808d7 100644
--- a/llvm/test/Transforms/LoopVectorize/bsd_regex.ll
+++ b/llvm/test/Transforms/LoopVectorize/bsd_regex.ll
@@ -41,7 +41,7 @@ define i32 @foo(i32* nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret i32 undef
;
diff --git a/llvm/test/Transforms/LoopVectorize/induction.ll b/llvm/test/Transforms/LoopVectorize/induction.ll
index 64e1f09de8e1f..fcb95fd40e153 100644
--- a/llvm/test/Transforms/LoopVectorize/induction.ll
+++ b/llvm/test/Transforms/LoopVectorize/induction.ll
@@ -2895,7 +2895,7 @@ define i32 @i8_loop() nounwind readnone ssp uwtable {
; IND: scalar.ph:
; IND-NEXT: br label [[LOOP:%.*]]
; IND: loop:
-; IND-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
+; IND-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
; IND: exit:
; IND-NEXT: ret i32 0
;
@@ -2914,7 +2914,7 @@ define i32 @i8_loop() nounwind readnone ssp uwtable {
; UNROLL: scalar.ph:
; UNROLL-NEXT: br label [[LOOP:%.*]]
; UNROLL: loop:
-; UNROLL-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
+; UNROLL-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
; UNROLL: exit:
; UNROLL-NEXT: ret i32 0
;
@@ -2967,7 +2967,7 @@ define i32 @i8_loop() nounwind readnone ssp uwtable {
; INTERLEAVE: scalar.ph:
; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
; INTERLEAVE: loop:
-; INTERLEAVE-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
+; INTERLEAVE-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]]
; INTERLEAVE: exit:
; INTERLEAVE-NEXT: ret i32 0
;
@@ -3034,7 +3034,7 @@ define i32 @i16_loop() nounwind readnone ssp uwtable {
; IND: scalar.ph:
; IND-NEXT: br label [[LOOP:%.*]]
; IND: loop:
-; IND-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
+; IND-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
; IND: exit:
; IND-NEXT: ret i32 0
;
@@ -3053,7 +3053,7 @@ define i32 @i16_loop() nounwind readnone ssp uwtable {
; UNROLL: scalar.ph:
; UNROLL-NEXT: br label [[LOOP:%.*]]
; UNROLL: loop:
-; UNROLL-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
+; UNROLL-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
; UNROLL: exit:
; UNROLL-NEXT: ret i32 0
;
@@ -3106,7 +3106,7 @@ define i32 @i16_loop() nounwind readnone ssp uwtable {
; INTERLEAVE: scalar.ph:
; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
; INTERLEAVE: loop:
-; INTERLEAVE-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
+; INTERLEAVE-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]]
; INTERLEAVE: exit:
; INTERLEAVE-NEXT: ret i32 0
;
@@ -3168,9 +3168,9 @@ define i32 @max_i32_backedgetaken() nounwind readnone ssp uwtable {
; IND: vector.ph:
; IND-NEXT: br label [[VECTOR_BODY:%.*]]
; IND: vector.body:
-; IND-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
+; IND-NEXT: br i1 poison, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
; IND: middle.block:
-; IND-NEXT: br i1 undef, label [[EXIT:%.*]], label [[SCALAR_PH]]
+; IND-NEXT: br i1 poison, label [[EXIT:%.*]], label [[SCALAR_PH]]
; IND: scalar.ph:
; IND-NEXT: br label [[LOOP:%.*]]
; IND: loop:
@@ -3187,9 +3187,9 @@ define i32 @max_i32_backedgetaken() nounwind readnone ssp uwtable {
; UNROLL: vector.ph:
; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
; UNROLL: vector.body:
-; UNROLL-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
+; UNROLL-NEXT: br i1 poison, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
; UNROLL: middle.block:
-; UNROLL-NEXT: br i1 undef, label [[EXIT:%.*]], label [[SCALAR_PH]]
+; UNROLL-NEXT: br i1 poison, label [[EXIT:%.*]], label [[SCALAR_PH]]
; UNROLL: scalar.ph:
; UNROLL-NEXT: br label [[LOOP:%.*]]
; UNROLL: loop:
@@ -3240,9 +3240,9 @@ define i32 @max_i32_backedgetaken() nounwind readnone ssp uwtable {
; INTERLEAVE: vector.ph:
; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
; INTERLEAVE: vector.body:
-; INTERLEAVE-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
+; INTERLEAVE-NEXT: br i1 poison, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
; INTERLEAVE: middle.block:
-; INTERLEAVE-NEXT: br i1 undef, label [[EXIT:%.*]], label [[SCALAR_PH]]
+; INTERLEAVE-NEXT: br i1 poison, label [[EXIT:%.*]], label [[SCALAR_PH]]
; INTERLEAVE: scalar.ph:
; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
; INTERLEAVE: loop:
@@ -5363,13 +5363,13 @@ define i32 @PR32419(i32 %a, i16 %b) {
; IND: scalar.ph:
; IND-NEXT: br label [[FOR_BODY:%.*]]
; IND: for.body:
-; IND-NEXT: br i1 undef, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
+; IND-NEXT: br i1 poison, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
; IND: for.cond:
; IND-NEXT: br label [[FOR_INC]]
; IND: for.inc:
-; IND-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
+; IND-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
; IND: for.end:
-; IND-NEXT: [[VAR7:%.*]] = phi i32 [ undef, [[FOR_INC]] ], [ [[TMP17]], [[MIDDLE_BLOCK]] ]
+; IND-NEXT: [[VAR7:%.*]] = phi i32 [ poison, [[FOR_INC]] ], [ [[TMP17]], [[MIDDLE_BLOCK]] ]
; IND-NEXT: ret i32 [[VAR7]]
;
; UNROLL-LABEL: @PR32419(
@@ -5441,13 +5441,13 @@ define i32 @PR32419(i32 %a, i16 %b) {
; UNROLL: scalar.ph:
; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
; UNROLL: for.body:
-; UNROLL-NEXT: br i1 undef, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
+; UNROLL-NEXT: br i1 poison, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
; UNROLL: for.cond:
; UNROLL-NEXT: br label [[FOR_INC]]
; UNROLL: for.inc:
-; UNROLL-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
+; UNROLL-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
; UNROLL: for.end:
-; UNROLL-NEXT: [[VAR7:%.*]] = phi i32 [ undef, [[FOR_INC]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
+; UNROLL-NEXT: [[VAR7:%.*]] = phi i32 [ poison, [[FOR_INC]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
; UNROLL-NEXT: ret i32 [[VAR7]]
;
; UNROLL-NO-IC-LABEL: @PR32419(
@@ -6189,7 +6189,7 @@ define void @pr52460_first_order_recurrence_truncated_iv(i32* noalias %src, i32*
; IND: scalar.ph:
; IND-NEXT: br label [[LOOP:%.*]]
; IND: loop:
-; IND-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
+; IND-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
; IND: exit:
; IND-NEXT: ret void
;
@@ -6231,7 +6231,7 @@ define void @pr52460_first_order_recurrence_truncated_iv(i32* noalias %src, i32*
; UNROLL: scalar.ph:
; UNROLL-NEXT: br label [[LOOP:%.*]]
; UNROLL: loop:
-; UNROLL-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
+; UNROLL-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
; UNROLL: exit:
; UNROLL-NEXT: ret void
;
diff --git a/llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll b/llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
index 0afa6f7f5673d..f12f021263c42 100644
--- a/llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
+++ b/llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
@@ -55,7 +55,7 @@ define void @test_array_load2_store2(i32 %C, i32 %D) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
@@ -135,7 +135,7 @@ define void @test_struct_array_load3_store3() {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
@@ -219,9 +219,9 @@ define i32 @test_struct_load4(%struct.ST4* nocapture readonly %S) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[SUB8_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUB8_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUB8_LCSSA]]
;
entry:
@@ -296,7 +296,7 @@ define void @test_struct_store4(i32* noalias nocapture readonly %A, %struct.ST4*
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
;
entry:
br label %for.body
@@ -384,7 +384,7 @@ define void @test_reversed_load2_store2(%struct.ST2* noalias nocapture readonly
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_COND_CLEANUP]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_COND_CLEANUP]], !llvm.loop [[LOOP11:![0-9]+]]
;
entry:
br label %for.body
@@ -638,7 +638,7 @@ define void @load_gap_reverse(%pair* noalias nocapture readonly %P1, %pair* noal
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_EXIT]], !llvm.loop [[LOOP17:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_EXIT]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK: for.exit:
; CHECK-NEXT: ret void
;
@@ -706,7 +706,7 @@ define void @mixed_load2_store2(i32* noalias nocapture readonly %A, i32* noalias
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_COND_CLEANUP]], !llvm.loop [[LOOP19:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_COND_CLEANUP]], !llvm.loop [[LOOP19:![0-9]+]]
;
entry:
br label %for.body
@@ -782,7 +782,7 @@ define void @mixed_load3_store3(i32* nocapture %A) {
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
;
entry:
br label %for.body
@@ -866,13 +866,13 @@ define void @int_float_struct(%struct.IntFloat* nocapture readonly %A) #0 {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.cond.cleanup:
-; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: [[ADD3_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[ADD3_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: store i32 [[ADD_LCSSA]], i32* @SA, align 4
; CHECK-NEXT: store float [[ADD3_LCSSA]], float* @SB, align 4
; CHECK-NEXT: ret void
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
;
entry:
br label %for.body
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll b/llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
index b2e77badb0f8e..8d158a8dc1056 100644
--- a/llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
+++ b/llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
@@ -65,9 +65,9 @@ define i32 @reduction_sum_single(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -175,9 +175,9 @@ define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP48]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP48]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -269,9 +269,9 @@ define i32 @reduction_sum_const(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP29]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP29]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -380,9 +380,9 @@ define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP48]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP48]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[PROD_0_LCSSA]]
;
entry:
@@ -493,9 +493,9 @@ define i32 @reduction_mix(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP46]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP46]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -603,9 +603,9 @@ define i32 @reduction_mul(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP13:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -711,9 +711,9 @@ define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -817,9 +817,9 @@ define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -923,9 +923,9 @@ define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -1029,9 +1029,9 @@ define float @reduction_fadd(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP43]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -1137,9 +1137,9 @@ define float @reduction_fmul(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -1226,9 +1226,9 @@ define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -1313,9 +1313,9 @@ define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -1376,19 +1376,19 @@ define float @reduction_conditional(float* %A, float* %B, float* %C, float %S) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
; CHECK: if.then:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN8:%.*]], label [[IF_ELSE:%.*]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN8:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then8:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: if.else:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN16:%.*]], label [[FOR_INC]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN16:%.*]], label [[FOR_INC]]
; CHECK: if.then16:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: for.inc:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP29:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP29:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi float [ undef, [[FOR_INC]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi float [ poison, [[FOR_INC]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[SUM_1_LCSSA]]
;
entry:
@@ -1501,9 +1501,9 @@ define i8 @reduction_add_trunc(i8* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP31:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP31:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ undef, [[DOTLR_PH]] ], [ [[TMP34]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ poison, [[DOTLR_PH]] ], [ [[TMP34]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i8 [[SUM_0_LCSSA]]
;
entry:
@@ -1596,9 +1596,9 @@ define i8 @reduction_and_trunc(i8* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP33:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP33:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ undef, [[DOTLR_PH]] ], [ [[TMP33]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ poison, [[DOTLR_PH]] ], [ [[TMP33]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i8 [[SUM_0_LCSSA]]
;
entry:
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll b/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
index c68f1ebc624fa..1915b7b08dc30 100644
--- a/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
+++ b/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
@@ -46,9 +46,9 @@ define i32 @reduction_sum_single(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[BIN_RDX8]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -273,9 +273,9 @@ define i32 @predicated(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[BIN_RDX38]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX38]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -521,13 +521,13 @@ define i32 @cond_rdx_pred(i32 %cond, i32* noalias %a, i64 %N) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: for.inc:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RES_LCSSA:%.*]] = phi i32 [ undef, [[FOR_INC]] ], [ [[BIN_RDX46]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RES_LCSSA:%.*]] = phi i32 [ poison, [[FOR_INC]] ], [ [[BIN_RDX46]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RES_LCSSA]]
;
entry:
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll b/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
index 071ea8faf3d45..4f9e08931eefa 100644
--- a/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
+++ b/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
@@ -25,9 +25,9 @@ define i32 @reduction_sum_single(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -80,9 +80,9 @@ define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -132,9 +132,9 @@ define i32 @reduction_sum_const(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -188,9 +188,9 @@ define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[PROD_0_LCSSA]]
;
entry:
@@ -247,9 +247,9 @@ define i32 @reduction_mix(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -303,9 +303,9 @@ define i32 @reduction_mul(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP13:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -356,9 +356,9 @@ define i32 @start_at_non_zero(i32* nocapture %in, i32* nocapture %coeff, i32* no
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -410,9 +410,9 @@ define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -463,9 +463,9 @@ define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -516,9 +516,9 @@ define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -568,9 +568,9 @@ define float @reduction_fadd(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -622,9 +622,9 @@ define float @reduction_fmul(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -671,9 +671,9 @@ define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -718,9 +718,9 @@ define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP29:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP29:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -766,9 +766,9 @@ define i32 @reduction_sub_lhs(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[X_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[X_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[X_0_LCSSA]]
;
entry:
@@ -828,19 +828,19 @@ define float @reduction_conditional(float* %A, float* %B, float* %C, float %S) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
; CHECK: if.then:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN8:%.*]], label [[IF_ELSE:%.*]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN8:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then8:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: if.else:
-; CHECK-NEXT: br i1 undef, label [[IF_THEN16:%.*]], label [[FOR_INC]]
+; CHECK-NEXT: br i1 poison, label [[IF_THEN16:%.*]], label [[FOR_INC]]
; CHECK: if.then16:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: for.inc:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP33:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP33:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi float [ undef, [[FOR_INC]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi float [ poison, [[FOR_INC]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[SUM_1_LCSSA]]
;
entry:
@@ -961,9 +961,9 @@ define i32 @reduction_predicated(i32* noalias nocapture %A, i32* noalias nocaptu
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP35:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP35:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -1013,9 +1013,9 @@ define i8 @reduction_add_trunc(i8* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP37:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP37:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ undef, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ poison, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i8 [[SUM_0_LCSSA]]
;
entry:
@@ -1063,9 +1063,9 @@ define i8 @reduction_and_trunc(i8* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP39:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP39:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ undef, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ poison, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i8 [[SUM_0_LCSSA]]
;
entry:
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-predselect.ll b/llvm/test/Transforms/LoopVectorize/reduction-predselect.ll
index 8e25482ae0692..c9a1e642dd3f1 100644
--- a/llvm/test/Transforms/LoopVectorize/reduction-predselect.ll
+++ b/llvm/test/Transforms/LoopVectorize/reduction-predselect.ll
@@ -65,9 +65,9 @@ define i32 @reduction_sum_single(i32* noalias nocapture %A) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -168,9 +168,9 @@ define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP45]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
@@ -274,9 +274,9 @@ define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B)
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[PROD_0_LCSSA]]
;
entry:
@@ -379,9 +379,9 @@ define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -484,9 +484,9 @@ define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -589,9 +589,9 @@ define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -694,9 +694,9 @@ define float @reduction_fadd(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -799,9 +799,9 @@ define float @reduction_fmul(float* nocapture %A, float* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP44]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
@@ -887,9 +887,9 @@ define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
@@ -973,9 +973,9 @@ define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
diff --git a/llvm/test/Transforms/LoopVectorize/trunc-reductions.ll b/llvm/test/Transforms/LoopVectorize/trunc-reductions.ll
index 92cb0ba8b10ea..4f0fbcf0c128d 100644
--- a/llvm/test/Transforms/LoopVectorize/trunc-reductions.ll
+++ b/llvm/test/Transforms/LoopVectorize/trunc-reductions.ll
@@ -24,9 +24,9 @@ define i8 @reduction_and_trunc(i8* noalias nocapture %ptr) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[AND_LCSSA_OFF0:%.*]] = phi i8 [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[AND_LCSSA_OFF0:%.*]] = phi i8 [ poison, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i8 [[AND_LCSSA_OFF0]]
;
entry:
@@ -72,9 +72,9 @@ define i16 @reduction_or_trunc(i16* noalias nocapture %ptr) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[XOR_LCSSA_OFF0:%.*]] = phi i16 [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[XOR_LCSSA_OFF0:%.*]] = phi i16 [ poison, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i16 [[XOR_LCSSA_OFF0]]
;
entry:
@@ -120,9 +120,9 @@ define i16 @reduction_xor_trunc(i16* noalias nocapture %ptr) {
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
-; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: for.end:
-; CHECK-NEXT: [[XOR_LCSSA_OFF0:%.*]] = phi i16 [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[XOR_LCSSA_OFF0:%.*]] = phi i16 [ poison, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i16 [[XOR_LCSSA_OFF0]]
;
entry:
diff --git a/llvm/test/Transforms/LowerAtomic/atomic-swap.ll b/llvm/test/Transforms/LowerAtomic/atomic-swap.ll
index 59a5caed481cf..c43cadbe30dc0 100644
--- a/llvm/test/Transforms/LowerAtomic/atomic-swap.ll
+++ b/llvm/test/Transforms/LowerAtomic/atomic-swap.ll
@@ -9,7 +9,7 @@ define i8 @cmpswap() {
; CHECK-NEXT: [[SAME:%[a-z0-9]+]] = icmp eq i8 [[OLDVAL]], 0
; CHECK-NEXT: [[TO_STORE:%[a-z0-9]+]] = select i1 [[SAME]], i8 42, i8 [[OLDVAL]]
; CHECK-NEXT: store i8 [[TO_STORE]], i8* [[ADDR]]
-; CHECK-NEXT: [[TMP:%[a-z0-9]+]] = insertvalue { i8, i1 } undef, i8 [[OLDVAL]], 0
+; CHECK-NEXT: [[TMP:%[a-z0-9]+]] = insertvalue { i8, i1 } poison, i8 [[OLDVAL]], 0
; CHECK-NEXT: [[RES:%[a-z0-9]+]] = insertvalue { i8, i1 } [[TMP]], i1 [[SAME]], 1
; CHECK-NEXT: [[VAL:%[a-z0-9]+]] = extractvalue { i8, i1 } [[RES]], 0
ret i8 %j
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