llvm-6502/test/CodeGen/PIC16/C16-49.ll
Sanjiv Gupta 76d2f9a4db Reapply 91904.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23 11:19:09 +00:00

16 lines
596 B
LLVM

;RUN: llvm-as < %s | llc -march=pic16
@aa = global i16 55, align 1 ; <i16*> [#uses=1]
@bb = global i16 44, align 1 ; <i16*> [#uses=1]
@PORTD = external global i8 ; <i8*> [#uses=1]
define void @foo() nounwind {
entry:
%tmp = volatile load i16* @aa ; <i16> [#uses=1]
%tmp1 = volatile load i16* @bb ; <i16> [#uses=1]
%sub = sub i16 %tmp, %tmp1 ; <i16> [#uses=1]
%conv = trunc i16 %sub to i8 ; <i8> [#uses=1]
store i8 %conv, i8* @PORTD
ret void
}