mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-15 04:08:07 +00:00
e78760e179
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8558 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
711 B
LLVM
37 lines
711 B
LLVM
; RUN: llvm-as < %s | opt -licm -stats 2>&1 | grep "memory locations promoted to register"
|
|
|
|
%X = global int 7
|
|
|
|
void %testfunc(int %i) {
|
|
br label %Loop
|
|
|
|
Loop:
|
|
%j = phi uint [0, %0], [%Next, %Loop]
|
|
|
|
%x = load int* %X ; Should promote this to a register inside of loop!
|
|
%x2 = add int %x, 1
|
|
store int %x2, int* %X
|
|
|
|
%Next = add uint %j, 1
|
|
%cond = seteq uint %Next, 0
|
|
br bool %cond, label %Out, label %Loop
|
|
|
|
Out:
|
|
ret void
|
|
}
|
|
|
|
void %testhard(int %i) {
|
|
br label %Loop
|
|
Loop:
|
|
%X1 = getelementptr int* %X, long 0
|
|
%A = load int* %X1 ; Aliases X, needs to be rewritten
|
|
%V = add int %A, 1
|
|
%X2 = getelementptr int* %X, long 0
|
|
store int %V, int* %X2
|
|
br bool false, label %Loop, label %Exit
|
|
|
|
Exit:
|
|
ret void
|
|
|
|
}
|