1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -S -passes=loop-reduce,loop-term-fold -mtriple=riscv64-unknown-linux-gnu < %s | FileCheck %s 3 4define void @test(ptr %p, i8 %arg, i32 %start) { 5; CHECK-LABEL: define void @test( 6; CHECK-SAME: ptr [[P:%.*]], i8 [[ARG:%.*]], i32 [[START:%.*]]) { 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[ARG]] to i32 9; CHECK-NEXT: [[SHR:%.*]] = lshr i32 [[CONV]], 1 10; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[START]], [[SHR]] 11; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 1 12; CHECK-NEXT: br label [[FOR_BODY:%.*]] 13; CHECK: for.body: 14; CHECK-NEXT: [[ADD810:%.*]] = phi i32 [ [[START]], [[ENTRY:%.*]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] 15; CHECK-NEXT: [[IDXPROM2:%.*]] = zext i32 [[ADD810]] to i64 16; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr i8, ptr [[P]], i64 [[IDXPROM2]] 17; CHECK-NEXT: [[V:%.*]] = load i8, ptr [[ARRAYIDX3]], align 1 18; CHECK-NEXT: [[ADD]] = add i32 [[ADD810]], 1 19; CHECK-NEXT: [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND:%.*]] = icmp eq i32 [[ADD]], [[TMP1]] 20; CHECK-NEXT: br i1 [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND]], label [[EXIT:%.*]], label [[FOR_BODY]] 21; CHECK: exit: 22; CHECK-NEXT: ret void 23; 24entry: 25 %conv = zext i8 %arg to i32 26 %shr = lshr i32 %conv, 1 27 %wide.trip.count = zext nneg i32 %shr to i64 28 br label %for.body 29 30for.body: 31 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 32 %add810 = phi i32 [ %start, %entry ], [ %add, %for.body ] 33 %idxprom2 = zext i32 %add810 to i64 34 %arrayidx3 = getelementptr i8, ptr %p, i64 %idxprom2 35 %v = load i8, ptr %arrayidx3, align 1 36 %add = add i32 %add810, 1 37 %indvars.iv.next = add i64 %indvars.iv, 1 38 %exitcond.not = icmp eq i64 %indvars.iv, %wide.trip.count 39 br i1 %exitcond.not, label %exit, label %for.body 40 41exit: 42 ret void 43} 44