; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -passes=loop-reduce,loop-term-fold -S | FileCheck %s --check-prefix=CHECK-OPT ; RUN: llc < %s -o - | FileCheck %s --check-prefix=CHECK-LLC target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64" target triple = "mips-unknown-linux-gnu" @x = dso_local local_unnamed_addr global [128000 x i32] zeroinitializer, align 4 ; Function Attrs: nofree norecurse nosync nounwind memory(write, argmem: none, inaccessiblemem: none) define dso_local void @in128000(i32 noundef signext %k, i32 noundef signext %n) local_unnamed_addr #0 { ; CHECK-LLC-LABEL: in128000: ; CHECK-LLC: # %bb.0: # %entry ; CHECK-LLC-NEXT: lui $1, %hi(x) ; CHECK-LLC-NEXT: addiu $2, $1, %lo(x) ; CHECK-LLC-NEXT: lui $1, 7 ; CHECK-LLC-NEXT: ori $1, $1, 53248 ; CHECK-LLC-NEXT: addu $3, $2, $1 ; CHECK-LLC-NEXT: $BB0_1: # %for.body ; CHECK-LLC-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-LLC-NEXT: sw $4, 0($2) ; CHECK-LLC-NEXT: addiu $2, $2, 4 ; CHECK-LLC-NEXT: bne $2, $3, $BB0_1 ; CHECK-LLC-NEXT: nop ; CHECK-LLC-NEXT: # %bb.2: # %for.cond.cleanup ; CHECK-LLC-NEXT: jr $ra ; CHECK-LLC-NEXT: nop ; CHECK-OPT-LABEL: define dso_local void @in128000( ; CHECK-OPT-SAME: i32 noundef signext [[K:%.*]], i32 noundef signext [[N:%.*]]) local_unnamed_addr { ; CHECK-OPT-NEXT: [[ENTRY:.*]]: ; CHECK-OPT-NEXT: br label %[[FOR_BODY:.*]] ; CHECK-OPT: [[FOR_COND_CLEANUP:.*]]: ; CHECK-OPT-NEXT: ret void ; CHECK-OPT: [[FOR_BODY]]: ; CHECK-OPT-NEXT: [[LSR_IV1:%.*]] = phi ptr [ [[SCEVGEP:%.*]], %[[FOR_BODY]] ], [ @x, %[[ENTRY]] ] ; CHECK-OPT-NEXT: store i32 [[K]], ptr [[LSR_IV1]], align 4 ; CHECK-OPT-NEXT: [[SCEVGEP]] = getelementptr i8, ptr [[LSR_IV1]], i32 4 ; CHECK-OPT-NEXT: [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND:%.*]] = icmp eq ptr [[SCEVGEP]], getelementptr inbounds nuw (i8, ptr @x, i32 512000) ; CHECK-OPT-NEXT: br i1 [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND]], label %[[FOR_COND_CLEANUP]], label %[[FOR_BODY]] ; entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret void for.body: ; preds = %entry, %for.body %i.03 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds nuw [128000 x i32], ptr @x, i32 0, i32 %i.03 store i32 %k, ptr %arrayidx, align 4 %inc = add nuw nsw i32 %i.03, 1 %exitcond.not = icmp eq i32 %inc, 128000 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; Function Attrs: nofree norecurse nosync nounwind memory(write, argmem: none, inaccessiblemem: none) define dso_local void @in1000(i32 noundef signext %k, i32 noundef signext %n) local_unnamed_addr #0 { ; CHECK-LLC-LABEL: in1000: ; CHECK-LLC: # %bb.0: # %entry ; CHECK-LLC-NEXT: lui $1, %hi(x) ; CHECK-LLC-NEXT: addiu $2, $1, %lo(x) ; CHECK-LLC-NEXT: addiu $3, $2, 4000 ; CHECK-LLC-NEXT: $BB1_1: # %for.body ; CHECK-LLC-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-LLC-NEXT: sw $4, 0($2) ; CHECK-LLC-NEXT: addiu $2, $2, 4 ; CHECK-LLC-NEXT: bne $2, $3, $BB1_1 ; CHECK-LLC-NEXT: nop ; CHECK-LLC-NEXT: # %bb.2: # %for.cond.cleanup ; CHECK-LLC-NEXT: jr $ra ; CHECK-LLC-NEXT: nop ; CHECK-OPT-LABEL: define dso_local void @in1000( ; CHECK-OPT-SAME: i32 noundef signext [[K:%.*]], i32 noundef signext [[N:%.*]]) local_unnamed_addr { ; CHECK-OPT-NEXT: [[ENTRY:.*]]: ; CHECK-OPT-NEXT: br label %[[FOR_BODY:.*]] ; CHECK-OPT: [[FOR_COND_CLEANUP:.*]]: ; CHECK-OPT-NEXT: ret void ; CHECK-OPT: [[FOR_BODY]]: ; CHECK-OPT-NEXT: [[LSR_IV1:%.*]] = phi ptr [ [[SCEVGEP:%.*]], %[[FOR_BODY]] ], [ @x, %[[ENTRY]] ] ; CHECK-OPT-NEXT: store i32 [[K]], ptr [[LSR_IV1]], align 4 ; CHECK-OPT-NEXT: [[SCEVGEP]] = getelementptr i8, ptr [[LSR_IV1]], i32 4 ; CHECK-OPT-NEXT: [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND:%.*]] = icmp eq ptr [[SCEVGEP]], getelementptr inbounds nuw (i8, ptr @x, i32 4000) ; CHECK-OPT-NEXT: br i1 [[LSR_FOLD_TERM_COND_REPLACED_TERM_COND]], label %[[FOR_COND_CLEANUP]], label %[[FOR_BODY]] ; entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret void for.body: ; preds = %entry, %for.body %i.03 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %arrayidx = getelementptr inbounds nuw [128000 x i32], ptr @x, i32 0, i32 %i.03 store i32 %k, ptr %arrayidx, align 4 %inc = add nuw nsw i32 %i.03, 1 %exitcond.not = icmp eq i32 %inc, 1000 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body }