mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
60 lines
1.4 KiB
LLVM
60 lines
1.4 KiB
LLVM
long 12
|
|
|
|
implementation
|
|
|
|
ulong "const removal"()
|
|
long 12345
|
|
%q = uint 4000000000 ; Def 0 - uint plane
|
|
ulong 123 ; Def 0 - ulong plane
|
|
ulong 4000000000000 ; Def 1 - ulong plane
|
|
begin
|
|
ret ulong %1
|
|
end
|
|
|
|
void "dce #1"()
|
|
int 0
|
|
begin
|
|
ret void
|
|
|
|
ret void ; Unreachable label
|
|
end
|
|
|
|
void "basic block merge #1"(int %a, uint %b, bool %c, ulong %d)
|
|
begin
|
|
add int %0, %0
|
|
br label %TestName ; Can be merged with next block
|
|
TestName:
|
|
add uint %0, %0
|
|
br label %1 ; Can be merged with next block
|
|
add ulong %0, %0
|
|
ret void
|
|
end
|
|
|
|
void "const prop #1"()
|
|
%x = int 0 ; Def %x - int plane
|
|
int 0 ; Def 0 - int plane
|
|
bool false
|
|
begin
|
|
Startup:
|
|
%x = seteq int %0, %x
|
|
br bool %x, label %0, label %Startup ; Can be eliminated by const prop
|
|
|
|
ret void
|
|
end
|
|
|
|
int "const prop #2"()
|
|
begin
|
|
%x = add int 1, 1 ; Instrs can be const prop'd away
|
|
%y = sub int -1, 1
|
|
%z = add int %x, %y
|
|
ret int %z ; Should equal %0
|
|
end
|
|
|
|
sbyte "const prop #3"() ; Instrs can be const prop'd away
|
|
begin
|
|
%x = add sbyte 127, 127 ; Must wrap around correctly!
|
|
%y = sub sbyte 1, -1
|
|
%z = add sbyte %x, %y
|
|
ret sbyte %z ; Should equal %0!
|
|
end
|