1 ; RUN: opt -S -simplifycfg < %s | FileCheck %s 2 3 %ST = type { i8, i8 } 4 5 define i8* @test1(%ST* %x, i8* %y) nounwind { 6 entry: 7 %cmp = icmp eq %ST* %x, null 8 br i1 %cmp, label %if.then, label %if.end 9 10 if.then: 11 %incdec.ptr = getelementptr %ST, %ST* %x, i32 0, i32 1 12 br label %if.end 13 14 if.end: 15 %x.addr = phi i8* [ %incdec.ptr, %if.then ], [ %y, %entry ] 16 ret i8* %x.addr 17 18 ; CHECK-LABEL: @test1( 19 ; CHECK: %incdec.ptr.y = select i1 %cmp, i8* %incdec.ptr, i8* %y 20 ; CHECK: ret i8* %incdec.ptr.y 21 } 22
