; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -constraint-elimination -S %s | FileCheck %s define void @test.not.uge.ult(i8 %start, i8 %low, i8 %high) { ; CHECK-LABEL: @test.not.uge.ult( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SUB_PTR_I:%.*]] = sub nuw i8 [[START:%.*]], 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8 [[SUB_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[T_0]]) ; CHECK-NEXT: [[START_1:%.*]] = sub nuw i8 [[START]], 1 ; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8 [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[T_1]]) ; CHECK-NEXT: [[START_2:%.*]] = sub nuw i8 [[START]], 2 ; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8 [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[T_2]]) ; CHECK-NEXT: [[START_3:%.*]] = sub nuw i8 [[START]], 3 ; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8 [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_4:%.*]] = sub nuw i8 [[START]], 4 ; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8 [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: ret void ; entry: %sub.ptr.i = sub nuw i8 %start, 3 %c.1 = icmp uge i8 %sub.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %t.0 = icmp ult i8 %start, %high call void @use(i1 %t.0) %start.1 = sub nuw i8 %start, 1 %t.1 = icmp ult i8 %start.1, %high call void @use(i1 %t.1) %start.2 = sub nuw i8 %start, 2 %t.2 = icmp ult i8 %start.2, %high call void @use(i1 %t.2) %start.3 = sub nuw i8 %start, 3 %t.3 = icmp ult i8 %start.3, %high call void @use(i1 %t.3) %start.4 = sub nuw i8 %start, 4 %c.4 = icmp ult i8 %start.4, %high call void @use(i1 %c.4) ret void } define void @test.not.uge.ule(i8 %start, i8 %low, i8 %high) { ; CHECK-LABEL: @test.not.uge.ule( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SUB_PTR_I:%.*]] = sub nuw i8 [[START:%.*]], 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8 [[SUB_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[T_0:%.*]] = icmp ule i8 [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[T_0]]) ; CHECK-NEXT: [[START_1:%.*]] = sub nuw i8 [[START]], 1 ; CHECK-NEXT: [[T_1:%.*]] = icmp ule i8 [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[T_1]]) ; CHECK-NEXT: [[START_2:%.*]] = sub nuw i8 [[START]], 2 ; CHECK-NEXT: [[T_2:%.*]] = icmp ule i8 [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_3:%.*]] = sub nuw i8 [[START]], 3 ; CHECK-NEXT: [[T_3:%.*]] = icmp ule i8 [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_4:%.*]] = sub nuw i8 [[START]], 4 ; CHECK-NEXT: [[T_4:%.*]] = icmp ule i8 [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_5:%.*]] = sub nuw i8 [[START]], 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp ule i8 [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: ret void ; entry: %sub.ptr.i = sub nuw i8 %start, 3 %c.1 = icmp uge i8 %sub.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %t.0 = icmp ule i8 %start, %high call void @use(i1 %t.0) %start.1 = sub nuw i8 %start, 1 %t.1 = icmp ule i8 %start.1, %high call void @use(i1 %t.1) %start.2 = sub nuw i8 %start, 2 %t.2 = icmp ule i8 %start.2, %high call void @use(i1 %t.2) %start.3 = sub nuw i8 %start, 3 %t.3 = icmp ule i8 %start.3, %high call void @use(i1 %t.3) %start.4 = sub nuw i8 %start, 4 %t.4 = icmp ule i8 %start.4, %high call void @use(i1 %t.4) %start.5 = sub nuw i8 %start, 5 %c.5 = icmp ule i8 %start.5, %high call void @use(i1 %c.5) ret void } define void @test.not.uge.ugt(i8 %start, i8 %low, i8 %high) { ; CHECK-LABEL: @test.not.uge.ugt( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SUB_PTR_I:%.*]] = sub nuw i8 [[START:%.*]], 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8 [[SUB_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8 [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[F_0]]) ; CHECK-NEXT: [[START_1:%.*]] = sub nuw i8 [[START]], 1 ; CHECK-NEXT: [[F_1:%.*]] = icmp ugt i8 [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[F_1]]) ; CHECK-NEXT: [[START_2:%.*]] = sub nuw i8 [[START]], 2 ; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i8 [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_3:%.*]] = sub nuw i8 [[START]], 3 ; CHECK-NEXT: [[F_3:%.*]] = icmp ugt i8 [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_4:%.*]] = sub nuw i8 [[START]], 4 ; CHECK-NEXT: [[F_4:%.*]] = icmp ugt i8 [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_5:%.*]] = sub nuw i8 [[START]], 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp ugt i8 [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: ret void ; entry: %sub.ptr.i = sub nuw i8 %start, 3 %c.1 = icmp uge i8 %sub.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %f.0 = icmp ugt i8 %start, %high call void @use(i1 %f.0) %start.1 = sub nuw i8 %start, 1 %f.1 = icmp ugt i8 %start.1, %high call void @use(i1 %f.1) %start.2 = sub nuw i8 %start, 2 %f.2 = icmp ugt i8 %start.2, %high call void @use(i1 %f.2) %start.3 = sub nuw i8 %start, 3 %f.3 = icmp ugt i8 %start.3, %high call void @use(i1 %f.3) %start.4 = sub nuw i8 %start, 4 %f.4 = icmp ugt i8 %start.4, %high call void @use(i1 %f.4) %start.5 = sub nuw i8 %start, 5 %c.5 = icmp ugt i8 %start.5, %high call void @use(i1 %c.5) ret void } define void @test.not.uge.uge(i8 %start, i8 %low, i8 %high) { ; CHECK-LABEL: @test.not.uge.uge( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SUB_PTR_I:%.*]] = sub nuw i8 [[START:%.*]], 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8 [[SUB_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8 [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[F_0]]) ; CHECK-NEXT: [[START_1:%.*]] = sub nuw i8 [[START]], 1 ; CHECK-NEXT: [[F_1:%.*]] = icmp uge i8 [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[F_1]]) ; CHECK-NEXT: [[START_2:%.*]] = sub nuw i8 [[START]], 2 ; CHECK-NEXT: [[F_2:%.*]] = icmp uge i8 [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[F_2]]) ; CHECK-NEXT: [[START_3:%.*]] = sub nuw i8 [[START]], 3 ; CHECK-NEXT: [[F_3:%.*]] = icmp uge i8 [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_4:%.*]] = sub nuw i8 [[START]], 4 ; CHECK-NEXT: [[C_4:%.*]] = icmp uge i8 [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_5:%.*]] = sub nuw i8 [[START]], 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp uge i8 [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: ret void ; entry: %sub.ptr.i = sub nuw i8 %start, 3 %c.1 = icmp uge i8 %sub.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %f.0 = icmp ugt i8 %start, %high call void @use(i1 %f.0) %start.1 = sub nuw i8 %start, 1 %f.1 = icmp uge i8 %start.1, %high call void @use(i1 %f.1) %start.2 = sub nuw i8 %start, 2 %f.2 = icmp uge i8 %start.2, %high call void @use(i1 %f.2) %start.3 = sub nuw i8 %start, 3 %f.3 = icmp uge i8 %start.3, %high call void @use(i1 %f.3) %start.4 = sub nuw i8 %start, 4 %c.4 = icmp uge i8 %start.4, %high call void @use(i1 %c.4) %start.5 = sub nuw i8 %start, 5 %c.5 = icmp uge i8 %start.5, %high call void @use(i1 %c.5) ret void } declare void @use(i1) declare void @llvm.trap()