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[VPlan] Remove reverse() of predecessors from VPInstruction::generate.
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This was originally done to reduce the diff for the change. Remove it
and update the remaining tests. NFC modulo reordering of incoming
values.

Clean up after #114292.
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@fhahn
fhahn committed Dec 17, 2024
1 parent 2a0091f commit 4ad0fdd
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5 changes: 1 addition & 4 deletions llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -634,10 +634,7 @@ Value *VPInstruction::generate(VPTransformState &State) {
State.CFG
.VPBB2IRBB[cast<VPBasicBlock>(getParent()->getPredecessors()[0])];
NewPhi->addIncoming(IncomingFromVPlanPred, VPlanPred);
// TODO: Predecessors are temporarily reversed to reduce test changes.
// Remove it and update remaining tests after functional change landed.
auto Predecessors = to_vector(predecessors(Builder.GetInsertBlock()));
for (auto *OtherPred : reverse(Predecessors)) {
for (auto *OtherPred : predecessors(Builder.GetInsertBlock())) {
if (OtherPred == VPlanPred)
continue;
NewPhi->addIncoming(IncomingFromOtherPreds, OtherPred);
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10 changes: 5 additions & 5 deletions llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -369,7 +369,7 @@ define void @latch_branch_cost(ptr %dst) {
; DEFAULT: vec.epilog.middle.block:
; DEFAULT-NEXT: br i1 true, label [[FOR_END]], label [[SCALAR_PH]]
; DEFAULT: vec.epilog.scalar.ph:
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 100, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 96, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 100, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ 96, [[VEC_EPILOG_ITER_CHECK]] ]
; DEFAULT-NEXT: br label [[FOR_BODY:%.*]]
; DEFAULT: loop:
; DEFAULT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
Expand Down Expand Up @@ -588,7 +588,7 @@ define i32 @header_mask_and_invariant_compare(ptr %A, ptr %B, ptr %C, ptr %D, pt
; DEFAULT-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
; DEFAULT-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
; DEFAULT: scalar.ph:
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY:%.*]] ]
; DEFAULT-NEXT: br label [[LOOP_HEADER:%.*]]
; DEFAULT: loop.header:
; DEFAULT-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
Expand Down Expand Up @@ -715,7 +715,7 @@ define i32 @header_mask_and_invariant_compare(ptr %A, ptr %B, ptr %C, ptr %D, pt
; PRED: middle.block:
; PRED-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
; PRED: scalar.ph:
; PRED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
; PRED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY:%.*]] ]
; PRED-NEXT: br label [[LOOP_HEADER:%.*]]
; PRED: loop.header:
; PRED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
Expand Down Expand Up @@ -1301,7 +1301,7 @@ define void @test_conditional_interleave_group (ptr noalias %src.1, ptr noalias
; DEFAULT-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
; DEFAULT-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
; DEFAULT: scalar.ph:
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
; DEFAULT-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ]
; DEFAULT-NEXT: br label [[LOOP_HEADER:%.*]]
; DEFAULT: loop.header:
; DEFAULT-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
Expand Down Expand Up @@ -1523,7 +1523,7 @@ define void @test_conditional_interleave_group (ptr noalias %src.1, ptr noalias
; PRED: middle.block:
; PRED-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
; PRED: scalar.ph:
; PRED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
; PRED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ]
; PRED-NEXT: br label [[LOOP_HEADER:%.*]]
; PRED: loop.header:
; PRED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
Expand Down
2 changes: 1 addition & 1 deletion llvm/test/Transforms/LoopVectorize/AArch64/deterministic-type-shrinkage.ll
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Expand Up @@ -83,7 +83,7 @@ define void @test_pr25490(i32 %n, ptr noalias nocapture %a, ptr noalias nocaptur
; CHECK-NEXT: [[CMP_N11:%.*]] = icmp eq i64 [[N_VEC5]], [[TMP0]]
; CHECK-NEXT: br i1 [[CMP_N11]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC5]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC5]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.cond.cleanup.loopexit:
; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
Expand Down
6 changes: 3 additions & 3 deletions llvm/test/Transforms/LoopVectorize/AArch64/divs-with-scalable-vfs.ll
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Expand Up @@ -52,7 +52,7 @@ define void @sdiv_feeding_gep(ptr %dst, i32 %x, i64 %M, i64 %conv6, i64 %N) {
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
Expand Down Expand Up @@ -164,7 +164,7 @@ define void @sdiv_feeding_gep_predicated(ptr %dst, i32 %x, i64 %M, i64 %conv6, i
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ]
Expand Down Expand Up @@ -291,7 +291,7 @@ define void @udiv_urem_feeding_gep(i64 %x, ptr %dst, i64 %N) {
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
Expand Down
6 changes: 3 additions & 3 deletions llvm/test/Transforms/LoopVectorize/AArch64/epilog-vectorization-factors.ll
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Expand Up @@ -85,7 +85,7 @@ define void @add_i8(ptr noalias nocapture noundef writeonly %A, ptr nocapture no
; CHECK-NEXT: [[CMP_N15:%.*]] = icmp eq i64 [[ITERATIONS]], [[N_VEC10]]
; CHECK-NEXT: br i1 [[CMP_N15]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
Expand Down Expand Up @@ -203,7 +203,7 @@ define void @add_i16(ptr noalias nocapture noundef writeonly %A, ptr nocapture n
; CHECK-NEXT: [[CMP_N15:%.*]] = icmp eq i64 [[ITERATIONS]], [[N_VEC10]]
; CHECK-NEXT: br i1 [[CMP_N15]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
Expand Down Expand Up @@ -321,7 +321,7 @@ define void @add_i32(ptr noalias nocapture noundef writeonly %A, ptr nocapture n
; CHECK-NEXT: [[CMP_N15:%.*]] = icmp eq i64 [[ITERATIONS]], [[N_VEC10]]
; CHECK-NEXT: br i1 [[CMP_N15]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
Expand Down
16 changes: 8 additions & 8 deletions llvm/test/Transforms/LoopVectorize/AArch64/epilog-vectorization-widen-inductions.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -73,8 +73,8 @@ define void @test_widen_ptr_induction(ptr %ptr.start.1) {
; CHECK: vec.epilog.middle.block:
; CHECK-NEXT: br i1 false, label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 10000, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 10000, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi ptr [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ], [ [[PTR_START_1]], [[ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 10000, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ 10000, [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi ptr [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PTR_START_1]], [[ITER_CHECK]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
Expand Down Expand Up @@ -165,7 +165,7 @@ define void @test_widen_induction(ptr %A, i64 %N) {
; CHECK-NEXT: [[CMP_N9:%.*]] = icmp eq i64 [[N]], [[N_VEC3]]
; CHECK-NEXT: br i1 [[CMP_N9]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i64 [ [[N_VEC3]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i64 [ [[N_VEC3]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL4]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
Expand Down Expand Up @@ -258,7 +258,7 @@ define void @test_widen_induction_variable_start(ptr %A, i64 %N, i64 %start) {
; CHECK-NEXT: [[CMP_N15:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC3]]
; CHECK-NEXT: br i1 [[CMP_N15]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i64 [ [[IND_END4]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END5]], [[VEC_EPILOG_ITER_CHECK]] ], [ [[START]], [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i64 [ [[IND_END4]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[START]], [[ITER_CHECK:%.*]] ], [ [[IND_END5]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL6]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
Expand Down Expand Up @@ -344,8 +344,8 @@ define void @test_widen_induction_step_2(ptr %A, i64 %N, i32 %step) {
; CHECK-NEXT: [[CMP_N11:%.*]] = icmp eq i64 [[N]], [[IND_END]]
; CHECK-NEXT: br i1 [[CMP_N11]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL5:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK]] ], [ [[IND_END4]], [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL5]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
Expand Down Expand Up @@ -431,7 +431,7 @@ define void @test_widen_extended_induction(ptr %dst) {
; CHECK: vec.epilog.middle.block:
; CHECK-NEXT: br i1 true, label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i8 [ 16, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 16, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i8 [ 16, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ 16, [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i8 [ [[BC_RESUME_VAL1]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
Expand Down Expand Up @@ -509,7 +509,7 @@ define void @test_widen_truncated_induction(ptr %A) {
; CHECK: vec.epilog.middle.block:
; CHECK-NEXT: br i1 true, label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK: vec.epilog.scalar.ph:
; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 10000, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 10000, [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 10000, [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 0, [[ITER_CHECK:%.*]] ], [ 10000, [[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
Expand Down
8 changes: 4 additions & 4 deletions llvm/test/Transforms/LoopVectorize/AArch64/force-target-instruction-cost.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -116,12 +116,12 @@ define void @test_iv_cost(ptr %ptr.start, i8 %a, i64 %b) {
; CHECK-NEXT: [[CMP_N11:%.*]] = icmp eq i64 [[START]], [[N_VEC3]]
; CHECK-NEXT: br i1 [[CMP_N11]], label %[[EXIT_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK: [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END1]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ [[START]], %[[ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL7:%.*]] = phi ptr [ [[IND_END5]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END6]], %[[VEC_EPILOG_ITER_CHECK]] ], [ [[PTR_START]], %[[ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END1]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[START]], %[[ITER_CHECK]] ], [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL11:%.*]] = phi ptr [ [[IND_END5]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[PTR_START]], %[[ITER_CHECK]] ], [ [[IND_END6]], %[[VEC_EPILOG_ITER_CHECK]] ]
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ]
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[PTR_IV_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL7]], %[[VEC_EPILOG_SCALAR_PH]] ]
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[PTR_IV_NEXT:%.*]], %[[LOOP]] ], [ [[BC_RESUME_VAL11]], %[[VEC_EPILOG_SCALAR_PH]] ]
; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], -1
; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr i8, ptr [[PTR_IV]], i64 1
; CHECK-NEXT: store i8 0, ptr [[PTR_IV]], align 1
Expand Down Expand Up @@ -344,7 +344,7 @@ define void @test_exit_branch_cost(ptr %dst, i64 %x, i32 %y, ptr %dst.1, i1 %c.4
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 false, label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 64, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 64, %[[MIDDLE_BLOCK]] ], [ 0, %[[VECTOR_MEMCHECK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]
; CHECK: [[LOOP_HEADER]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
Expand Down
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