Eli Friedman | ad78a88 | 2010-07-30 06:44:31 +0000 | [diff] [blame^] | 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: extend2bit_v2: | ||||
13 | ; CHECK: xorl %eax, %eax | ||||
14 | ; CHECK-NEXT: ret |