1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s 2 3 define i32 @extend2bit_v2(i32 %val) { 4 entry: 5 %0 = trunc i32 %val to i2 ; <i2> [#uses=1] 6 %1 = sext i2 %0 to i32 ; <i32> [#uses=1] 7 %2 = icmp eq i32 %1, 3 ; <i1> [#uses=1] 8 %3 = zext i1 %2 to i32 ; <i32> [#uses=1] 9 ret i32 %3 10 } 11 12 ; CHECK-LABEL: extend2bit_v2: 13 ; CHECK: xorl %eax, %eax 14 ; CHECK-NEXT: ret 15