mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
88aad145a5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22567 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
580 B
LLVM
24 lines
580 B
LLVM
; Don't reduce the byte access to P[i], at least not on targets that
|
|
; support an efficient 'mem[r1+r2]' addressing mode.
|
|
|
|
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | grep 'getelementptr.*PTR.*INDVAR'
|
|
|
|
; XFAIL: *
|
|
|
|
declare bool %pred(int)
|
|
|
|
void %test(sbyte* %PTR) {
|
|
br label %Loop
|
|
Loop:
|
|
%INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
|
|
|
|
%STRRED = getelementptr sbyte* %PTR, int %INDVAR
|
|
store sbyte 0, sbyte* %STRRED
|
|
|
|
%INDVAR2 = add int %INDVAR, 1
|
|
%cond = call bool %pred(int %INDVAR2) ;; cannot eliminate indvar
|
|
br bool %cond, label %Loop, label %Out
|
|
Out:
|
|
ret void
|
|
}
|