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[LV] Generate check lines for if-conversion.ll
The limited check lines make it difficult to reason about test changes in https://github.com/llvm/llvm-project/pull/128375.
This commit is contained in:
Florian Hahn
parent
2c36411ed2
commit
be28365ca7
@ -1,3 +1,4 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5
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; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -enable-if-conversion -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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@ -16,14 +17,85 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
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; }
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;}
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;CHECK-LABEL: @function0(
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;CHECK: load <4 x i32>
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;CHECK: icmp sgt <4 x i32>
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;CHECK: mul <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: select <4 x i1>
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;CHECK: ret i32
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define i32 @function0(ptr nocapture %a, ptr nocapture %b, i32 %start, i32 %end) nounwind uwtable ssp {
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; CHECK-LABEL: define i32 @function0(
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; CHECK-SAME: ptr captures(none) [[A:%.*]], ptr captures(none) [[B:%.*]], i32 [[START:%.*]], i32 [[END:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CMP16:%.*]] = icmp slt i32 [[START]], [[END]]
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; CHECK-NEXT: br i1 [[CMP16]], label %[[FOR_BODY_LR_PH:.*]], label %[[FOR_END:.*]]
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; CHECK: [[FOR_BODY_LR_PH]]:
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; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[START]] to i64
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; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[START]], -1
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; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[END]], [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
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; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]]
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; CHECK: [[VECTOR_MEMCHECK]]:
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; CHECK-NEXT: [[TMP5:%.*]] = shl nsw i64 [[TMP0]], 2
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; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP5]]
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; CHECK-NEXT: [[TMP6:%.*]] = xor i32 [[START]], -1
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; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[END]], [[TMP6]]
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; CHECK-NEXT: [[TMP8:%.*]] = zext i32 [[TMP7]] to i64
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; CHECK-NEXT: [[TMP9:%.*]] = add nsw i64 [[TMP0]], [[TMP8]]
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; CHECK-NEXT: [[TMP10:%.*]] = shl nsw i64 [[TMP9]], 2
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; CHECK-NEXT: [[TMP11:%.*]] = add nsw i64 [[TMP10]], 4
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; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP11]]
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; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP5]]
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; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP11]]
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; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[SCEVGEP]], [[SCEVGEP3]]
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; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[SCEVGEP2]], [[SCEVGEP1]]
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; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
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; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
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; CHECK-NEXT: [[TMP12:%.*]] = add nsw i64 [[N_VEC]], [[TMP0]]
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[INDEX]], [[TMP0]]
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; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[OFFSET_IDX]]
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP13]], align 4, !alias.scope [[META0:![0-9]+]], !noalias [[META3:![0-9]+]]
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; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[OFFSET_IDX]]
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; CHECK-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x i32>, ptr [[TMP14]], align 4, !alias.scope [[META3]]
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; CHECK-NEXT: [[DOTNOT:%.*]] = icmp sgt <4 x i32> [[WIDE_LOAD]], [[WIDE_LOAD4]]
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; CHECK-NEXT: [[TMP15:%.*]] = mul <4 x i32> [[WIDE_LOAD]], splat (i32 5)
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; CHECK-NEXT: [[TMP16:%.*]] = add <4 x i32> [[TMP15]], splat (i32 3)
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; CHECK-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[DOTNOT]], <4 x i32> [[TMP16]], <4 x i32> [[WIDE_LOAD]]
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; CHECK-NEXT: store <4 x i32> [[PREDPHI]], ptr [[TMP13]], align 4, !alias.scope [[META0]], !noalias [[META3]]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP17]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP12]], %[[MIDDLE_BLOCK]] ], [ [[TMP0]], %[[FOR_BODY_LR_PH]] ], [ [[TMP0]], %[[VECTOR_MEMCHECK]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[IF_END:.*]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP18:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[ARRAYIDX4]], align 4
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; CHECK-NEXT: [[CMP5:%.*]] = icmp sgt i32 [[TMP18]], [[TMP19]]
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; CHECK-NEXT: br i1 [[CMP5]], label %[[IF_THEN:.*]], label %[[IF_END]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[TMP18]], 5
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; CHECK-NEXT: [[ADD:%.*]] = add i32 [[MUL]], 3
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; CHECK-NEXT: br label %[[IF_END]]
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; CHECK: [[IF_END]]:
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; CHECK-NEXT: [[K_0:%.*]] = phi i32 [ [[ADD]], %[[IF_THEN]] ], [ [[TMP18]], %[[FOR_BODY]] ]
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; CHECK-NEXT: store i32 [[K_0]], ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
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; CHECK-NEXT: [[TMP20:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[END]], [[TMP20]]
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP8:![0-9]+]]
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; CHECK: [[FOR_END_LOOPEXIT]]:
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; CHECK-NEXT: br label %[[FOR_END]]
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: ret i32 undef
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;
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entry:
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%cmp16 = icmp slt i32 %start, %end
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br i1 %cmp16, label %for.body.lr.ph, label %for.end
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@ -69,13 +141,63 @@ for.end:
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; return sum;
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; }
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;CHECK-LABEL: @reduction_func(
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;CHECK: load <4 x i32>
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;CHECK: icmp slt <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: select <4 x i1>
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;CHECK: ret i32
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define i32 @reduction_func(ptr nocapture %A, i32 %n) nounwind uwtable readonly ssp {
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; CHECK-LABEL: define i32 @reduction_func(
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; CHECK-SAME: ptr captures(none) [[A:%.*]], i32 [[N:%.*]]) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[N]], 0
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; CHECK-NEXT: br i1 [[CMP10]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]
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; CHECK: [[FOR_BODY_PREHEADER]]:
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; CHECK-NEXT: [[TMP0:%.*]] = zext nneg i32 [[N]] to i64
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP0]], 2147483644
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[PREDPHI:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDEX]]
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP1]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = icmp slt <4 x i32> [[WIDE_LOAD]], splat (i32 31)
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; CHECK-NEXT: [[TMP3:%.*]] = add <4 x i32> [[VEC_PHI]], splat (i32 2)
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; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i32> [[TMP3]], [[WIDE_LOAD]]
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; CHECK-NEXT: [[PREDPHI]] = select <4 x i1> [[TMP2]], <4 x i32> [[VEC_PHI]], <4 x i32> [[TMP4]]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[PREDPHI]])
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
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; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP6]], %[[MIDDLE_BLOCK]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_INC:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
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; CHECK-NEXT: [[SUM_011:%.*]] = phi i32 [ [[SUM_1:%.*]], %[[FOR_INC]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[TMP7]], 30
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; CHECK-NEXT: br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[FOR_INC]]
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; CHECK: [[IF_THEN]]:
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; CHECK-NEXT: [[ADD:%.*]] = add i32 [[SUM_011]], 2
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; CHECK-NEXT: [[ADD4:%.*]] = add i32 [[ADD]], [[TMP7]]
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; CHECK-NEXT: br label %[[FOR_INC]]
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; CHECK: [[FOR_INC]]:
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; CHECK-NEXT: [[SUM_1]] = phi i32 [ [[ADD4]], %[[IF_THEN]] ], [ [[SUM_011]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
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; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[N]], [[LFTR_WIDEIV]]
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; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END_LOOPEXIT]], label %[[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
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; CHECK: [[FOR_END_LOOPEXIT]]:
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; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi i32 [ [[SUM_1]], %[[FOR_INC]] ], [ [[TMP6]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: br label %[[FOR_END]]
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_1_LCSSA]], %[[FOR_END_LOOPEXIT]] ]
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; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
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;
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entry:
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%cmp10 = icmp sgt i32 %n, 0
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br i1 %cmp10, label %for.body, label %for.end
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@ -119,6 +241,29 @@ for.end: ; preds = %for.inc, %entry
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; CHECK: vector.body
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define void @PR34523() {
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; CHECK-LABEL: define void @PR34523() {
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; CHECK-NEXT: [[BB1:.*:]]
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; CHECK-NEXT: br i1 true, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: br i1 poison, label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: br i1 poison, label %[[BB5:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: br label %[[BB2:.*]]
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; CHECK: [[BB2]]:
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; CHECK-NEXT: [[I:%.*]] = phi i16 [ undef, %[[SCALAR_PH]] ], [ [[_TMP2:%.*]], %[[BB4:.*]] ]
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; CHECK-NEXT: br label %[[BB3:.*]]
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; CHECK: [[BB3]]:
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; CHECK-NEXT: br label %[[BB4]]
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; CHECK: [[BB4]]:
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; CHECK-NEXT: [[_TMP2]] = add i16 [[I]], 1
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; CHECK-NEXT: [[_TMP3:%.*]] = icmp slt i16 [[_TMP2]], 2
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; CHECK-NEXT: br i1 [[_TMP3]], label %[[BB2]], label %[[BB5]], !llvm.loop [[LOOP12:![0-9]+]]
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; CHECK: [[BB5]]:
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; CHECK-NEXT: unreachable
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;
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bb1:
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br label %bb2
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