; RUN: llc < %s -march=x86 -mcpu=yonah | FileCheck %s ; rdar://5752025 ; We want: ; CHECK: movl $42, %ecx ; CHECK-NEXT: movl 4(%esp), %eax ; CHECK-NEXT: andl $15, %eax ; CHECK-NEXT: cmovnel %ecx, %eax ; CHECK-NEXT: ret ; ; We don't want: ; movl 4(%esp), %eax ; movl %eax, %ecx # bad: extra copy ; andl $15, %ecx ; testl $15, %eax # bad: peep obstructed ; movl $42, %eax ; cmovel %ecx, %eax ; ret ; ; We also don't want: ; movl $15, %ecx # bad: larger encoding ; andl 4(%esp), %ecx ; movl $42, %eax ; cmovel %ecx, %eax ; ret ; ; We also don't want: ; movl 4(%esp), %ecx ; andl $15, %ecx ; testl %ecx, %ecx # bad: unnecessary test ; movl $42, %eax ; cmovel %ecx, %eax ; ret define i32 @t1(i32 %X) nounwind { entry: %tmp2 = and i32 %X, 15 ; <i32> [#uses=2] %tmp4 = icmp eq i32 %tmp2, 0 ; <i1> [#uses=1] %retval = select i1 %tmp4, i32 %tmp2, i32 42 ; <i32> [#uses=1] ret i32 %retval }