; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 ; RUN: opt -S -O3 < %s | FileCheck %s define void @test(ptr noundef %a, i32 noundef %beam) { ; CHECK-LABEL: define void @test ; CHECK-SAME: (ptr nocapture noundef writeonly [[A:%.*]], i32 noundef [[BEAM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[MUL:%.*]] = shl nuw nsw i32 [[BEAM]], 1 ; CHECK-NEXT: [[IDXPROM:%.*]] = zext nneg i32 [[MUL]] to i64 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM]] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.cond.cleanup: ; CHECK-NEXT: ret void ; CHECK: for.body: ; CHECK-NEXT: [[I_06:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ] ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[I_06]], [[BEAM]] ; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] ; CHECK: if.then: ; CHECK-NEXT: store i32 0, ptr [[ARRAYIDX]], align 4 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: if.else: ; CHECK-NEXT: [[MUL2:%.*]] = shl nuw nsw i32 [[I_06]], 1 ; CHECK-NEXT: [[IDXPROM3:%.*]] = zext nneg i32 [[MUL2]] to i64 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM3]] ; CHECK-NEXT: store i32 1, ptr [[ARRAYIDX4]], align 4 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: for.inc: ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_06]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_06]], 9999 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]] ; entry: %a.addr = alloca ptr, align 8 %beam.addr = alloca i32, align 4 %i = alloca i32, align 4 store ptr %a, ptr %a.addr, align 8 store i32 %beam, ptr %beam.addr, align 4 call void @llvm.lifetime.start.p0(i64 4, ptr %i) store i32 0, ptr %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, ptr %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.cond.cleanup for.cond.cleanup: ; preds = %for.cond call void @llvm.lifetime.end.p0(i64 4, ptr %i) br label %for.end for.body: ; preds = %for.cond %1 = load i32, ptr %i, align 4 %2 = load i32, ptr %beam.addr, align 4 %cmp1 = icmp eq i32 %1, %2 br i1 %cmp1, label %if.then, label %if.else if.then: ; preds = %for.body %3 = load ptr, ptr %a.addr, align 8 %4 = load i32, ptr %i, align 4 %mul = mul nsw i32 2, %4 %idxprom = sext i32 %mul to i64 %arrayidx = getelementptr inbounds i32, ptr %3, i64 %idxprom store i32 0, ptr %arrayidx, align 4 br label %if.end if.else: ; preds = %for.body %5 = load ptr, ptr %a.addr, align 8 %6 = load i32, ptr %i, align 4 %mul2 = mul nsw i32 2, %6 %idxprom3 = sext i32 %mul2 to i64 %arrayidx4 = getelementptr inbounds i32, ptr %5, i64 %idxprom3 store i32 1, ptr %arrayidx4, align 4 br label %if.end if.end: ; preds = %if.else, %if.then br label %for.inc for.inc: ; preds = %if.end %7 = load i32, ptr %i, align 4 %inc = add nsw i32 %7, 1 store i32 %inc, ptr %i, align 4 br label %for.cond for.end: ; preds = %for.cond.cleanup ret void } declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)