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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -S -passes=loop-reduce,loop-term-fold -mtriple=riscv64-unknown-linux-gnu < %s | FileCheck %s
define void @test(ptr %p, i8 %arg, i32 %start) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[P:%.*]], i8 [[ARG:%.*]], i32 [[START:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[ARG]] to i32
; CHECK-NEXT: [[SHR:%.*]] = lshr i32 [[CONV]], 1
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[START]], [[SHR]]
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 1
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[ADD810:%.*]] = phi i32 [ [[START]], [[ENTRY:%.*]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[IDXPROM2:%.*]] = zext i32 [[ADD810]] to i64
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr i8, ptr [[P]], i64 [[IDXPROM2]]
; CHECK-NEXT: [[V:%.*]] = load i8, ptr [[ARRAYIDX3]], align 1
; CHECK-NEXT: [[ADD]] = add i32 [[ADD810]], 1
; CHECK-NEXT: [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND:%.*]] = icmp eq i32 [[ADD]], [[TMP1]]
; CHECK-NEXT: br i1 [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND]], label [[EXIT:%.*]], label [[FOR_BODY]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
%conv = zext i8 %arg to i32
%shr = lshr i32 %conv, 1
%wide.trip.count = zext nneg i32 %shr to i64
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%add810 = phi i32 [ %start, %entry ], [ %add, %for.body ]
%idxprom2 = zext i32 %add810 to i64
%arrayidx3 = getelementptr i8, ptr %p, i64 %idxprom2
%v = load i8, ptr %arrayidx3, align 1
%add = add i32 %add810, 1
%indvars.iv.next = add i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv, %wide.trip.count
br i1 %exitcond.not, label %exit, label %for.body
exit:
ret void
}
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