llvm-6502/test/CodeGen/PowerPC/small-arguments.ll
Chris Lattner 9832ce0f0a Another case that shouldn't have sign extends: functions returning short
are known to return properly sign extended values, no need for an explicit
extension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23197 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 23:43:58 +00:00

27 lines
509 B
LLVM

; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'extsh\|rlwinm r3, r3'
int %test1(short %X) {
%Y = cast short %X to int ;; dead
ret int %Y
}
int %test2(ushort %X) {
%Y = cast ushort %X to int
%Z = and int %Y, 65535 ;; dead
ret int %Z
}
void %test3() {
%tmp.0 = call short %foo() ;; no extsh!
%tmp.1 = setlt short %tmp.0, 1234
br bool %tmp.1, label %then, label %UnifiedReturnBlock
then:
call int %test1(short 0)
ret void
UnifiedReturnBlock:
ret void
}
declare short %foo()