15 lines
465 B
LLVM
15 lines
465 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
|
|
|
|
define i32 @extend2bit_v2(i32 %val) {
|
|
entry:
|
|
%0 = trunc i32 %val to i2 ; <i2> [#uses=1]
|
|
%1 = sext i2 %0 to i32 ; <i32> [#uses=1]
|
|
%2 = icmp eq i32 %1, 3 ; <i1> [#uses=1]
|
|
%3 = zext i1 %2 to i32 ; <i32> [#uses=1]
|
|
ret i32 %3
|
|
}
|
|
|
|
; CHECK-LABEL: extend2bit_v2:
|
|
; CHECK: xorl %eax, %eax
|
|
; CHECK-NEXT: ret
|