256 lines
8.3 KiB
LLVM
256 lines
8.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes='loop(simple-loop-unswitch)' -S %s | FileCheck %s
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declare void @some_func()
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define i32 @need_freeze_of_individual_or_conditions1(i1 %cond1, i1 %cond2, i1 %cond3, i1 %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_or_conditions1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND4_FR:%.*]] = freeze i1 [[COND4:%.*]]
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; CHECK-NEXT: [[COND1_FR:%.*]] = freeze i1 [[COND1:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = and i1 [[COND4_FR]], [[COND1_FR]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[ENTRY_SPLIT:%.*]], label [[EXIT_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[COND2:%.*]], [[COND3:%.*]]
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; CHECK-NEXT: [[AND1:%.*]] = and i1 [[OR]], true
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; CHECK-NEXT: [[AND2:%.*]] = select i1 [[AND1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[AND2]], label [[LOOP_LATCH:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @some_func()
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%or = or i1 %cond2, %cond3
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%and1 = and i1 %or, %cond1
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%and2 = select i1 %and1, i1 %cond4, i1 false
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br i1 %and2, label %loop.latch, label %exit
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loop.latch:
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call void @some_func()
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_or_conditions2(i1 noundef %cond1, i1 %cond2, i1 %cond3, i1 %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_or_conditions2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND4_FR:%.*]] = freeze i1 [[COND4:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = and i1 [[COND4_FR]], [[COND1:%.*]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[ENTRY_SPLIT:%.*]], label [[EXIT_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[COND2:%.*]], [[COND3:%.*]]
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; CHECK-NEXT: [[AND1:%.*]] = and i1 [[OR]], true
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; CHECK-NEXT: [[AND2:%.*]] = select i1 [[AND1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[AND2]], label [[LOOP_LATCH:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @some_func()
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%or = or i1 %cond2, %cond3
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%and1 = and i1 %or, %cond1
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%and2 = select i1 %and1, i1 %cond4, i1 false
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br i1 %and2, label %loop.latch, label %exit
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loop.latch:
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call void @some_func()
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_or_conditions3(i1 %cond1, i1 %cond2, i1 %cond3, i1 noundef %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_or_conditions3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND1_FR:%.*]] = freeze i1 [[COND1:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = and i1 [[COND4:%.*]], [[COND1_FR]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[ENTRY_SPLIT:%.*]], label [[EXIT_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[COND2:%.*]], [[COND3:%.*]]
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; CHECK-NEXT: [[AND1:%.*]] = and i1 [[OR]], true
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; CHECK-NEXT: [[AND2:%.*]] = select i1 [[AND1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[AND2]], label [[LOOP_LATCH:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: call void @some_func()
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%or = or i1 %cond2, %cond3
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%and1 = and i1 %or, %cond1
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%and2 = select i1 %and1, i1 %cond4, i1 false
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br i1 %and2, label %loop.latch, label %exit
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loop.latch:
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call void @some_func()
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_and_conditions1(i1 %cond1, i1 %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_and_conditions1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND4_FR:%.*]] = freeze i1 [[COND4:%.*]]
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; CHECK-NEXT: [[COND1_FR:%.*]] = freeze i1 [[COND1:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = or i1 [[COND4_FR]], [[COND1_FR]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT_SPLIT:%.*]], label [[ENTRY_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[COND_OR1:%.*]] = or i1 undef, false
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; CHECK-NEXT: [[COND_OR6:%.*]] = select i1 [[COND_OR1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[COND_OR6]], label [[EXIT:%.*]], label [[LOOP_LATCH:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%cond_or1 = or i1 undef, %cond1
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%cond_or6 = select i1 %cond_or1, i1 true, i1 %cond4
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br i1 %cond_or6, label %exit, label %loop.latch
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loop.latch:
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_and_conditions2(i1 noundef %cond1, i1 %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_and_conditions2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND4_FR:%.*]] = freeze i1 [[COND4:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = or i1 [[COND4_FR]], [[COND1:%.*]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT_SPLIT:%.*]], label [[ENTRY_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[COND_OR1:%.*]] = or i1 undef, false
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; CHECK-NEXT: [[COND_OR6:%.*]] = select i1 [[COND_OR1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[COND_OR6]], label [[EXIT:%.*]], label [[LOOP_LATCH:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%cond_or1 = or i1 undef, %cond1
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%cond_or6 = select i1 %cond_or1, i1 true, i1 %cond4
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br i1 %cond_or6, label %exit, label %loop.latch
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loop.latch:
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_and_conditions3(i1 %cond1, i1 noundef %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_and_conditions3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[COND1_FR:%.*]] = freeze i1 [[COND1:%.*]]
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; CHECK-NEXT: [[TMP0:%.*]] = or i1 [[COND4:%.*]], [[COND1_FR]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT_SPLIT:%.*]], label [[ENTRY_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[COND_OR1:%.*]] = or i1 undef, false
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; CHECK-NEXT: [[COND_OR6:%.*]] = select i1 [[COND_OR1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[COND_OR6]], label [[EXIT:%.*]], label [[LOOP_LATCH:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%cond_or1 = or i1 undef, %cond1
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%cond_or6 = select i1 %cond_or1, i1 true, i1 %cond4
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br i1 %cond_or6, label %exit, label %loop.latch
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loop.latch:
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br label %loop.header
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exit:
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ret i32 0
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}
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define i32 @need_freeze_of_individual_and_conditions4(i1 noundef %cond1, i1 noundef %cond4) {
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; CHECK-LABEL: @need_freeze_of_individual_and_conditions4(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = or i1 [[COND4:%.*]], [[COND1:%.*]]
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; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT_SPLIT:%.*]], label [[ENTRY_SPLIT:%.*]]
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; CHECK: entry.split:
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; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
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; CHECK: loop.header:
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; CHECK-NEXT: [[COND_OR1:%.*]] = or i1 undef, false
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; CHECK-NEXT: [[COND_OR6:%.*]] = select i1 [[COND_OR1]], i1 true, i1 false
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; CHECK-NEXT: br i1 [[COND_OR6]], label [[EXIT:%.*]], label [[LOOP_LATCH:%.*]]
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; CHECK: loop.latch:
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; CHECK-NEXT: br label [[LOOP_HEADER]]
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; CHECK: exit:
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; CHECK-NEXT: br label [[EXIT_SPLIT]]
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; CHECK: exit.split:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop.header
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loop.header:
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%cond_or1 = or i1 undef, %cond1
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%cond_or6 = select i1 %cond_or1, i1 true, i1 %cond4
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br i1 %cond_or6, label %exit, label %loop.latch
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loop.latch:
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br label %loop.header
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exit:
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ret i32 0
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}
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