1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s 3 4; Make sure we do not incorrectly add variables to the system. 5 6define i1 @test(ptr %p1, ptr %p2, i32 %num_rows, i32 %start_row, i1 %c) { 7; CHECK-LABEL: @test( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[ADD:%.*]] = add i32 [[NUM_ROWS:%.*]], [[START_ROW:%.*]] 10; CHECK-NEXT: [[L3:%.*]] = load i32, ptr [[P1:%.*]], align 4 11; CHECK-NEXT: [[CMP6:%.*]] = icmp ugt i32 [[L3]], [[START_ROW]] 12; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_END36:%.*]], label [[IF_END36]] 13; CHECK: if.end36: 14; CHECK-NEXT: [[L1:%.*]] = load i32, ptr [[P2:%.*]], align 4 15; CHECK-NEXT: [[CMP37:%.*]] = icmp ult i32 [[L1]], [[ADD]] 16; CHECK-NEXT: br i1 [[CMP37]], label [[IF_THEN39:%.*]], label [[EXIT:%.*]] 17; CHECK: if.then39: 18; CHECK-NEXT: [[CMP41:%.*]] = icmp ult i32 [[L1]], [[START_ROW]] 19; CHECK-NEXT: ret i1 [[CMP41]] 20; CHECK: exit: 21; CHECK-NEXT: ret i1 false 22; 23entry: 24 %add = add i32 %num_rows, %start_row 25 %l3 = load i32, ptr %p1, align 4 26 %cmp6 = icmp ugt i32 %l3, %start_row 27 br i1 %c, label %if.end36, label %if.end36 28 29if.end36: ; preds = %if.then11 30 %l1 = load i32, ptr %p2, align 4 31 %cmp37 = icmp ult i32 %l1, %add 32 br i1 %cmp37, label %if.then39, label %exit 33 34if.then39: ; preds = %if.end36 35 %cmp41 = icmp ult i32 %l1, %start_row 36 ret i1 %cmp41 37 38exit: ; preds = %if.end36 39 ret i1 false 40} 41