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1; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s2 3define i32 @extend2bit_v2(i32 %val) {4entry: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 %310}11 12; CHECK-LABEL: extend2bit_v2:13; CHECK: xorl %eax, %eax14; CHECK-NEXT: ret15