2005-09-01 00:04:03 +00:00
|
|
|
; All of these ands and shifts should be folded into rlwimi's
|
2005-10-17 21:54:18 +00:00
|
|
|
; RUN: llvm-as < %s | llc -march=ppc32 | not grep mulhwu &&
|
|
|
|
|
; RUN: llvm-as < %s | llc -march=ppc32 | not grep srawi &&
|
|
|
|
|
; RUN: llvm-as < %s | llc -march=ppc32 | not grep add &&
|
|
|
|
|
; RUN: llvm-as < %s | llc -march=ppc32 | grep mulhw | wc -l | grep 1
|
2005-09-01 00:04:03 +00:00
|
|
|
|
|
|
|
|
implementation ; Functions:
|
|
|
|
|
|
|
|
|
|
int %mulhs(int %a, int %b) {
|
|
|
|
|
entry:
|
|
|
|
|
%tmp.1 = cast int %a to ulong ; <ulong> [#uses=1]
|
|
|
|
|
%tmp.3 = cast int %b to ulong ; <ulong> [#uses=1]
|
|
|
|
|
%tmp.4 = mul ulong %tmp.3, %tmp.1 ; <ulong> [#uses=1]
|
|
|
|
|
%tmp.6 = shr ulong %tmp.4, ubyte 32 ; <ulong> [#uses=1]
|
|
|
|
|
%tmp.7 = cast ulong %tmp.6 to int ; <int> [#uses=1]
|
|
|
|
|
ret int %tmp.7
|
|
|
|
|
}
|
