llvm-6502/test/Transforms/LICM/2003-12-13-VolatilePromote.ll
2006-12-02 04:23:10 +00:00

18 lines
376 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | opt -licm | llvm-dis | %prcontext volatile 1 | grep Loop
%X = global int 7
void %testfunc(int %i) {
br label %Loop
Loop:
%x = volatile load int* %X ; Should not promote this to a register
%x2 = add int %x, 1
store int %x2, int* %X
br bool true, label %Out, label %Loop
Out:
ret void
}