mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-25 20:59:51 +00:00
3e054fe9ef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81257 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
525 B
LLVM
19 lines
525 B
LLVM
; RUN: opt < %s -instcombine -S | grep select | count 2
|
|
|
|
; Make sure instcombine don't fold select into operands. We don't want to emit
|
|
; select of two integers unless it's selecting 0 / 1.
|
|
|
|
define i32 @t1(i32 %c, i32 %x) nounwind {
|
|
%t1 = icmp eq i32 %c, 0
|
|
%t2 = lshr i32 %x, 18
|
|
%t3 = select i1 %t1, i32 %t2, i32 %x
|
|
ret i32 %t3
|
|
}
|
|
|
|
define i32 @t2(i32 %c, i32 %x) nounwind {
|
|
%t1 = icmp eq i32 %c, 0
|
|
%t2 = and i32 %x, 18
|
|
%t3 = select i1 %t1, i32 %t2, i32 %x
|
|
ret i32 %t3
|
|
}
|