1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck -check-prefix=DARWIN %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -O2 | llc -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=DARWIN-OPT %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1 5*9880d681SAndroid Build Coastguard Worker; in this case. 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %x, i16 %y) { 8*9880d681SAndroid Build Coastguard Worker %tmp1 = zext i16 %y to i32 9*9880d681SAndroid Build Coastguard Worker %tmp2 = and i32 %tmp1, 127 10*9880d681SAndroid Build Coastguard Worker %tmp4 = shl i32 %x, 16 11*9880d681SAndroid Build Coastguard Worker %tmp5 = and i32 %tmp4, 16711680 12*9880d681SAndroid Build Coastguard Worker %tmp6 = or i32 %tmp2, %tmp5 13*9880d681SAndroid Build Coastguard Worker ret i32 %tmp6 14*9880d681SAndroid Build Coastguard Worker; DARWIN: andl $16711807, %eax 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker; <rdar://problem/7529774> The optimizer shouldn't fold this into (and (or, C), D) 18*9880d681SAndroid Build Coastguard Worker; if (C & D) == 0 19*9880d681SAndroid Build Coastguard Workerdefine i64 @test2(i64 %x) nounwind readnone ssp { 20*9880d681SAndroid Build Coastguard Workerentry: 21*9880d681SAndroid Build Coastguard Worker %tmp1 = and i64 %x, 123127 22*9880d681SAndroid Build Coastguard Worker %tmp2 = or i64 %tmp1, 3 23*9880d681SAndroid Build Coastguard Worker ret i64 %tmp2 24*9880d681SAndroid Build Coastguard Worker; DARWIN-OPT: andl $123124 25*9880d681SAndroid Build Coastguard Worker; DARWIN-OPT-NEXT: leaq 3 26*9880d681SAndroid Build Coastguard Worker} 27