; RUN: opt -passes=sccp -S < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define i32 @main() { entry: br label %lbl_1154 lbl_1154: %b0.0 = phi i32 [ -119, %entry ], [ 0, %lbl_1154 ] %cmp11 = icmp slt i32 %b0.0, 0 %shl.op = shl i32 33554432, %b0.0 %cmp1445 = icmp ult i32 %shl.op, 33554432 %cmp14 = or i1 %cmp11, %cmp1445 br i1 %cmp14, label %lbl_1154, label %if.end19 if.end19: br i1 %cmp11, label %if.then22, label %cleanup26 if.then22: tail call void @abort() unreachable cleanup26: ret i32 %shl.op } ; CHECK-LABEL: define i32 @main( ; CHECK-NOT: ret i32 undef declare void @abort()