37 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -loop-reduce < %s | FileCheck %s3 4target datalayout = "e-p:64:64:64-n32:64"5 6define void @test1(ptr %p.start, i64 %len) {7; CHECK-LABEL: @test1(8; CHECK-NEXT: entry:9; CHECK-NEXT: [[UGLYGEP:%.*]] = getelementptr i8, ptr [[P_START:%.*]], i64 410; CHECK-NEXT: br label [[LOOP:%.*]]11; CHECK: loop:12; CHECK-NEXT: [[LSR_IV1:%.*]] = phi ptr [ [[UGLYGEP2:%.*]], [[LOOP]] ], [ [[UGLYGEP]], [[ENTRY:%.*]] ]13; CHECK-NEXT: [[LSR_IV:%.*]] = phi i64 [ [[LSR_IV_NEXT:%.*]], [[LOOP]] ], [ [[LEN:%.*]], [[ENTRY]] ]14; CHECK-NEXT: [[TMP0:%.*]] = load volatile i32, ptr [[LSR_IV1]], align 415; CHECK-NEXT: [[LSR_IV_NEXT]] = add i64 [[LSR_IV]], -116; CHECK-NEXT: [[UGLYGEP2]] = getelementptr i8, ptr [[LSR_IV1]], i64 417; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[LSR_IV_NEXT]], 018; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]]19; CHECK: exit:20; CHECK-NEXT: ret void21;22entry:23 br label %loop24 25loop:26 %i = phi i64 [ 0, %entry ], [ %i.next, %loop ]27 %p = phi ptr [ %p.start, %entry ], [ %p.next, %loop ]28 %i.next = add nuw i64 %i, 129 %p.next = getelementptr i32, ptr %p, i64 130 load volatile i32, ptr %p.next31 %c = icmp ne i64 %i.next, %len32 br i1 %c, label %loop, label %exit33 34exit:35 ret void36}37