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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes="default<O3>" -S < %s | FileCheck %s3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"5target triple = "x86_64-unknown-linux-gnu"6 7; PR51092: SimplifyCFG might produce duplicate PHI's/select's.8; We need to deduplicate them so that further transformations are possible.9define dso_local void @foo(ptr %in, i64 %lo, i64 %hi, i32 %ishi) #0 {10; CHECK-LABEL: @foo(11; CHECK-NEXT: entry:12; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[ISHI:%.*]], 013; CHECK-NEXT: [[LO_HI:%.*]] = select i1 [[TOBOOL_NOT]], i64 [[LO:%.*]], i64 [[HI:%.*]]14; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[IN:%.*]], i64 [[LO_HI]]15; CHECK-NEXT: [[ARRAYVAL2:%.*]] = load i32, ptr [[ARRAYIDX1]], align 416; CHECK-NEXT: [[INC2:%.*]] = add nsw i32 [[ARRAYVAL2]], 117; CHECK-NEXT: store i32 [[INC2]], ptr [[ARRAYIDX1]], align 418; CHECK-NEXT: ret void19;20entry:21 %in.addr = alloca ptr, align 822 %lo.addr = alloca i64, align 823 %hi.addr = alloca i64, align 824 %ishi.addr = alloca i32, align 425 store ptr %in, ptr %in.addr, align 826 store i64 %lo, ptr %lo.addr, align 827 store i64 %hi, ptr %hi.addr, align 828 store i32 %ishi, ptr %ishi.addr, align 429 %ishi.reloaded = load i32, ptr %ishi.addr, align 430 %tobool = icmp ne i32 %ishi.reloaded, 031 br i1 %tobool, label %if.then, label %if.else32 33if.then:34 %in.reloaded = load ptr, ptr %in.addr, align 835 %hi.reloaded = load i64, ptr %hi.addr, align 836 %arrayidx = getelementptr inbounds i32, ptr %in.reloaded, i64 %hi.reloaded37 %arrayval = load i32, ptr %arrayidx, align 438 %inc = add nsw i32 %arrayval, 139 store i32 %inc, ptr %arrayidx, align 440 br label %if.end41 42if.else:43 %in.reloaded2 = load ptr, ptr %in.addr, align 844 %lo.reloaded = load i64, ptr %lo.addr, align 845 %arrayidx1 = getelementptr inbounds i32, ptr %in.reloaded2, i64 %lo.reloaded46 %arrayval2 = load i32, ptr %arrayidx1, align 447 %inc2 = add nsw i32 %arrayval2, 148 store i32 %inc2, ptr %arrayidx1, align 449 br label %if.end50 51if.end:52 ret void53}54