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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=instcombine -S < %s | FileCheck %s3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6declare void @f(i32)7 8; Do not replace a 'select' with 'or' in 'select - cmp - br' sequence9define void @test(i32 %len) {10; CHECK-LABEL: @test(11; CHECK-NEXT: entry:12; CHECK-NEXT: [[COND:%.*]] = call i32 @llvm.umin.i32(i32 [[LEN:%.*]], i32 8)13; CHECK-NEXT: [[CMP11_NOT:%.*]] = icmp eq i32 [[LEN]], 014; CHECK-NEXT: br i1 [[CMP11_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]15; CHECK: for.body:16; CHECK-NEXT: [[I_02:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]17; CHECK-NEXT: tail call void @f(i32 [[COND]])18; CHECK-NEXT: [[INC]] = add i32 [[I_02]], 119; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[INC]], [[COND]]20; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY]], label [[FOR_END]]21; CHECK: for.end:22; CHECK-NEXT: ret void23;24entry:25 %cmp = icmp ult i32 %len, 826 %cond = select i1 %cmp, i32 %len, i32 827 %cmp11 = icmp ult i32 0, %cond28 br i1 %cmp11, label %for.body, label %for.end29 30for.body: ; preds = %entry, %for.body31 %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]32 tail call void @f(i32 %cond)33 %inc = add i32 %i.02, 134 %cmp1 = icmp ult i32 %inc, %cond35 br i1 %cmp1, label %for.body, label %for.end36 37for.end: ; preds = %for.body, %entry38 ret void39}40