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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s3 4 5declare void @fn()6 7define i1 @test_pr54228(i32 %a, i32 %b, i1 %i.0, i1 %i.1) {8; CHECK-LABEL: @test_pr54228(9; CHECK-NEXT: entry:10; CHECK-NEXT: br i1 [[I_0:%.*]], label [[PH_1:%.*]], label [[LOOP_HEADER:%.*]]11; CHECK: ph.1:12; CHECK-NEXT: [[C_1:%.*]] = icmp eq i32 [[A:%.*]], 013; CHECK-NEXT: call void @llvm.assume(i1 [[C_1]])14; CHECK-NEXT: br label [[LOOP_HEADER]]15; CHECK: loop.header:16; CHECK-NEXT: br i1 [[I_1:%.*]], label [[LOOP_THEN:%.*]], label [[LOOP_LATCH:%.*]]17; CHECK: loop.then:18; CHECK-NEXT: call void @fn()19; CHECK-NEXT: [[C_2:%.*]] = icmp eq i32 [[B:%.*]], 020; CHECK-NEXT: call void @llvm.assume(i1 [[C_2]])21; CHECK-NEXT: br label [[LOOP_LATCH]]22; CHECK: loop.latch:23; CHECK-NEXT: [[C_3:%.*]] = icmp eq i32 [[B]], 124; CHECK-NEXT: br i1 [[C_3]], label [[EXIT:%.*]], label [[LOOP_HEADER]]25; CHECK: exit:26; CHECK-NEXT: [[C_4:%.*]] = icmp eq i32 [[A]], 027; CHECK-NEXT: ret i1 [[C_4]]28;29entry:30 br i1 %i.0, label %ph.1, label %loop.header31 32ph.1: ; preds = %entry33 %c.1 = icmp eq i32 %a, 034 call void @llvm.assume(i1 %c.1)35 br label %loop.header36 37loop.header: ; preds = %loop.latch, %ph.1, %entry38 br i1 %i.1, label %loop.then, label %loop.latch39 40loop.then: ; preds = %loop.header41 call void @fn()42 %c.2 = icmp eq i32 %b, 043 call void @llvm.assume(i1 %c.2)44 br label %loop.latch45 46loop.latch: ; preds = %loop.then, %loop.header47 %c.3 = icmp eq i32 %b, 148 br i1 %c.3, label %exit, label %loop.header49 50exit: ; preds = %loop.latch51 %c.4 = icmp eq i32 %a, 052 ret i1 %c.453}54 55declare void @llvm.assume(i1 noundef)56