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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals2; RUN: opt < %s -simple-loop-unswitch-inject-invariant-conditions=true -passes='loop(simple-loop-unswitch<nontrivial>,loop-instsimplify)' -S | FileCheck %s3 4define void @test() {5; CHECK-LABEL: @test(6; CHECK-NEXT: bb:7; CHECK-NEXT: [[TMP:%.*]] = call i1 @llvm.experimental.widenable.condition()8; CHECK-NEXT: [[TMP1:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 89; CHECK-NEXT: [[TMP2:%.*]] = load atomic i32, ptr addrspace(1) poison unordered, align 810; CHECK-NEXT: br i1 [[TMP]], label [[BB_SPLIT:%.*]], label [[BB3_SPLIT_US:%.*]], !prof [[PROF0:![0-9]+]]11; CHECK: bb.split:12; CHECK-NEXT: br label [[BB3:%.*]]13; CHECK: bb3:14; CHECK-NEXT: br label [[BB3_SPLIT:%.*]]15; CHECK: bb3.split.us:16; CHECK-NEXT: br label [[BB4_US:%.*]]17; CHECK: bb4.us:18; CHECK-NEXT: [[TMP5_US:%.*]] = phi i32 [ poison, [[BB3_SPLIT_US]] ]19; CHECK-NEXT: [[TMP6_US:%.*]] = phi i32 [ poison, [[BB3_SPLIT_US]] ]20; CHECK-NEXT: [[TMP7_US:%.*]] = add nuw nsw i32 [[TMP6_US]], 221; CHECK-NEXT: [[TMP8_US:%.*]] = icmp ult i32 [[TMP7_US]], [[TMP2]]22; CHECK-NEXT: br i1 [[TMP8_US]], label [[BB9_US:%.*]], label [[BB16_SPLIT_US:%.*]], !prof [[PROF0]]23; CHECK: bb9.us:24; CHECK-NEXT: br label [[BB17_SPLIT_US:%.*]]25; CHECK: bb16.split.us:26; CHECK-NEXT: br label [[BB16:%.*]]27; CHECK: bb17.split.us:28; CHECK-NEXT: br label [[BB17:%.*]]29; CHECK: bb3.split:30; CHECK-NEXT: br label [[BB4:%.*]]31; CHECK: bb4:32; CHECK-NEXT: [[TMP5:%.*]] = phi i32 [ poison, [[BB3_SPLIT]] ], [ [[TMP14:%.*]], [[BB13:%.*]] ]33; CHECK-NEXT: [[TMP6:%.*]] = phi i32 [ poison, [[BB3_SPLIT]] ], [ [[TMP5]], [[BB13]] ]34; CHECK-NEXT: [[TMP7:%.*]] = add nuw nsw i32 [[TMP6]], 235; CHECK-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP7]], [[TMP2]]36; CHECK-NEXT: br i1 [[TMP8]], label [[BB9:%.*]], label [[BB16_SPLIT:%.*]], !prof [[PROF0]]37; CHECK: bb9:38; CHECK-NEXT: [[TMP10:%.*]] = icmp ult i32 [[TMP7]], [[TMP1]]39; CHECK-NEXT: br i1 [[TMP10]], label [[BB12:%.*]], label [[BB17_SPLIT:%.*]], !prof [[PROF0]]40; CHECK: bb12:41; CHECK-NEXT: br i1 true, label [[BB15:%.*]], label [[BB13]]42; CHECK: bb13:43; CHECK-NEXT: [[TMP14]] = add nuw nsw i32 [[TMP5]], 144; CHECK-NEXT: br label [[BB4]]45; CHECK: bb15:46; CHECK-NEXT: br label [[BB3]]47; CHECK: bb16.split:48; CHECK-NEXT: br label [[BB16]]49; CHECK: bb16:50; CHECK-NEXT: ret void51; CHECK: bb17.split:52; CHECK-NEXT: br label [[BB17]]53; CHECK: bb17:54; CHECK-NEXT: ret void55;56bb:57 %tmp = call i1 @llvm.experimental.widenable.condition()58 %tmp1 = load atomic i32, ptr addrspace(1) poison unordered, align 859 %tmp2 = load atomic i32, ptr addrspace(1) poison unordered, align 860 br label %bb361 62bb3: ; preds = %bb15, %bb63 br label %bb464 65bb4: ; preds = %bb13, %bb366 %tmp5 = phi i32 [ poison, %bb3 ], [ %tmp14, %bb13 ]67 %tmp6 = phi i32 [ poison, %bb3 ], [ %tmp5, %bb13 ]68 %tmp7 = add nuw nsw i32 %tmp6, 269 %tmp8 = icmp ult i32 %tmp7, %tmp270 br i1 %tmp8, label %bb9, label %bb16, !prof !071 72bb9: ; preds = %bb473 %tmp10 = icmp ult i32 %tmp7, %tmp174 %tmp11 = and i1 %tmp10, %tmp75 br i1 %tmp11, label %bb12, label %bb17, !prof !076 77bb12: ; preds = %bb978 br i1 poison, label %bb15, label %bb1379 80bb13: ; preds = %bb1281 %tmp14 = add nuw nsw i32 %tmp5, 182 br label %bb483 84bb15: ; preds = %bb1285 br label %bb386 87bb16: ; preds = %bb488 ret void89 90bb17: ; preds = %bb991 ret void92}93 94; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite)95declare i1 @llvm.experimental.widenable.condition()96 97!0 = !{!"branch_weights", i32 1048576, i32 1}98 99;.100; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) }101;.102; CHECK: [[PROF0]] = !{!"branch_weights", i32 1048576, i32 1}103;.104