; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=newgvn -S %s | FileCheck %s @f = external local_unnamed_addr global i64 @b = external local_unnamed_addr global i64 @e = external local_unnamed_addr global i64 define void @patatino() { ; CHECK-LABEL: @patatino( ; CHECK-NEXT: entry: ; CHECK-NEXT: br i1 undef, label [[IF_END24:%.*]], label [[FOR_COND16:%.*]] ; CHECK: for.cond2thread-pre-split: ; CHECK-NEXT: br i1 false, label [[FOR_BODY:%.*]], label [[FOR_COND8_PREHEADER:%.*]] ; CHECK: for.cond8.preheader: ; CHECK-NEXT: br i1 undef, label [[L1:%.*]], label [[FOR_COND11THREAD_PRE_SPLIT_LR_PH:%.*]] ; CHECK: for.cond11thread-pre-split.lr.ph: ; CHECK-NEXT: br label [[L1]] ; CHECK: for.body: ; CHECK-NEXT: [[CMP3:%.*]] = icmp ne i64 [[K_2:%.*]], 3 ; CHECK-NEXT: [[CONV4:%.*]] = zext i1 [[CMP3]] to i64 ; CHECK-NEXT: [[TMP0:%.*]] = load i64, i64* @f, align 4 ; CHECK-NEXT: [[OR:%.*]] = or i64 [[TMP0]], [[CONV4]] ; CHECK-NEXT: store i64 [[OR]], i64* @f, align 4 ; CHECK-NEXT: [[TOBOOL7:%.*]] = icmp ne i64 [[K_2]], 0 ; CHECK-NEXT: br i1 [[TOBOOL7]], label [[FOR_COND2THREAD_PRE_SPLIT:%.*]], label [[LOR_RHS:%.*]] ; CHECK: lor.rhs: ; CHECK-NEXT: store i64 1, i64* @b, align 8 ; CHECK-NEXT: br label [[FOR_COND2THREAD_PRE_SPLIT]] ; CHECK: l1: ; CHECK-NEXT: [[K_2]] = phi i64 [ undef, [[L1_PREHEADER:%.*]] ], [ 15, [[FOR_COND8_PREHEADER]] ], [ 5, [[FOR_COND11THREAD_PRE_SPLIT_LR_PH]] ] ; CHECK-NEXT: store i64 7, i64* [[J_3:%.*]], align 4 ; CHECK-NEXT: br label [[FOR_BODY]] ; CHECK: for.cond16: ; CHECK-NEXT: [[J_0:%.*]] = phi i64* [ @f, [[ENTRY:%.*]] ], [ poison, [[FOR_COND20:%.*]] ], [ @e, [[FOR_COND16]] ] ; CHECK-NEXT: br i1 undef, label [[FOR_COND20]], label [[FOR_COND16]] ; CHECK: for.cond20: ; CHECK-NEXT: [[J_2:%.*]] = phi i64* [ [[J_0]], [[FOR_COND16]] ], [ poison, [[IF_END24]] ] ; CHECK-NEXT: br i1 true, label [[IF_END24]], label [[FOR_COND16]] ; CHECK: if.end24: ; CHECK-NEXT: [[J_3]] = phi i64* [ [[J_2]], [[FOR_COND20]] ], [ undef, [[ENTRY]] ] ; CHECK-NEXT: br i1 false, label [[FOR_COND20]], label [[L1_PREHEADER]] ; CHECK: l1.preheader: ; CHECK-NEXT: br label [[L1]] ; entry: br i1 undef, label %if.end24, label %for.cond16 for.cond2thread-pre-split: br i1 false, label %for.body, label %for.cond8.preheader for.cond8.preheader: br i1 undef, label %l1, label %for.cond11thread-pre-split.lr.ph for.cond11thread-pre-split.lr.ph: br label %l1 for.body: %k.031 = phi i64 [ %k.2, %l1 ], [ 15, %for.cond2thread-pre-split ] %cmp3 = icmp ne i64 %k.031, 3 %conv4 = zext i1 %cmp3 to i64 %0 = load i64, i64* @f %or = or i64 %0, %conv4 store i64 %or, i64* @f %tobool7 = icmp ne i64 %k.031, 0 %or.cond = or i1 %tobool7, false br i1 %or.cond, label %for.cond2thread-pre-split, label %lor.rhs lor.rhs: store i64 1, i64* @b, align 8 br label %for.cond2thread-pre-split l1: %k.2 = phi i64 [ undef, %l1.preheader ], [ 15, %for.cond8.preheader ], [ 5, %for.cond11thread-pre-split.lr.ph ] store i64 7, i64* %j.3 br label %for.body for.cond16: %j.0 = phi i64* [ @f, %entry ], [ %j.2, %for.cond20 ], [ @e, %for.cond16 ] br i1 undef, label %for.cond20, label %for.cond16 for.cond20: %j.2 = phi i64* [ %j.0, %for.cond16 ], [ %j.3, %if.end24 ] br i1 true, label %if.end24, label %for.cond16 if.end24: %j.3 = phi i64* [ %j.2, %for.cond20 ], [ undef, %entry ] br i1 false, label %for.cond20, label %l1.preheader l1.preheader: br label %l1 }