llvm-6502/test/CodeGen/PowerPC/small-arguments.ll
Chris Lattner c7d855ea2e new testcases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26420 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-28 06:54:19 +00:00

56 lines
1.1 KiB
LLVM

; RUN: llvm-as < %s | llc -march=ppc32 &&
; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'extsh\|rlwinm'
declare short %foo()
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
}
uint %test4(ushort* %P) {
%tmp.1 = load ushort* %P
%tmp.2 = cast ushort %tmp.1 to uint
%tmp.3 = and uint %tmp.2, 255
ret uint %tmp.3
}
uint %test5(short* %P) {
%tmp.1 = load short* %P
%tmp.2 = cast short %tmp.1 to ushort
%tmp.3 = cast ushort %tmp.2 to uint
%tmp.4 = and uint %tmp.3, 255
ret uint %tmp.4
}
uint %test6(uint* %P) {
%tmp.1 = load uint* %P
%tmp.2 = and uint %tmp.1, 255
ret uint %tmp.2
}
ushort %test7(float %a) {
%tmp.1 = cast float %a to ushort
ret ushort %tmp.1
}