Add a testcase to make sure that we don't emit two fneg instructions back

to back for certain fsel instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2005-04-09 09:30:09 +00:00
parent e9c0f43a1b
commit 9a98a77446

View File

@ -0,0 +1,8 @@
; RUN: llvm-as < %s | llc -march=ppc32 -enable-ppc-pattern-isel | not grep fneg
double %test_fneg_sel(double %A, double %B, double %C) {
%D = sub double -0.0, %A
%Cond = setgt double %D, -0.0
%E = select bool %Cond, double %B, double %C
ret double %E
}