mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-26 14:15:53 +00:00
20 lines
454 B
LLVM
20 lines
454 B
LLVM
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
||
|
|
; <rdar://problem/10803154>
|
||
|
|
|
||
|
|
; There should be no transformation.
|
||
|
|
; CHECK: %a = trunc i32 %x to i8
|
||
|
|
; CHECK: %b = icmp ne i8 %a, 0
|
||
|
|
; CHECK: %c = and i32 %x, 16711680
|
||
|
|
; CHECK: %d = icmp ne i32 %c, 0
|
||
|
|
; CHECK: %e = and i1 %b, %d
|
||
|
|
; CHECK: ret i1 %e
|
||
|
|
|
||
|
|
define i1 @f1(i32 %x) {
|
||
|
|
%a = trunc i32 %x to i8
|
||
|
|
%b = icmp ne i8 %a, 0
|
||
|
|
%c = and i32 %x, 16711680
|
||
|
|
%d = icmp ne i32 %c, 0
|
||
|
|
%e = and i1 %b, %d
|
||
|
|
ret i1 %e
|
||
|
|
}
|