mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
4990b257dd
- Renumber fcmp predicates to match their icmp counterparts. - Try swapping operands to expose more optimization opportunities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57513 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
966 B
LLVM
35 lines
966 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep fcmp | count 3
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep ret | grep 0
|
|
|
|
define zeroext i8 @t1(float %x, float %y) nounwind {
|
|
%a = fcmp ueq float %x, %y
|
|
%b = fcmp ord float %x, %y
|
|
%c = and i1 %a, %b
|
|
%retval = zext i1 %c to i8
|
|
ret i8 %retval
|
|
}
|
|
|
|
define zeroext i8 @t2(float %x, float %y) nounwind {
|
|
%a = fcmp olt float %x, %y
|
|
%b = fcmp ord float %x, %y
|
|
%c = and i1 %a, %b
|
|
%retval = zext i1 %c to i8
|
|
ret i8 %retval
|
|
}
|
|
|
|
define zeroext i8 @t3(float %x, float %y) nounwind {
|
|
%a = fcmp oge float %x, %y
|
|
%b = fcmp uno float %x, %y
|
|
%c = and i1 %a, %b
|
|
%retval = zext i1 %c to i8
|
|
ret i8 %retval
|
|
}
|
|
|
|
define zeroext i8 @t4(float %x, float %y) nounwind {
|
|
%a = fcmp one float %y, %x
|
|
%b = fcmp ord float %x, %y
|
|
%c = and i1 %a, %b
|
|
%retval = zext i1 %c to i8
|
|
ret i8 %retval
|
|
}
|