mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
28beeeac4d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41097 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
663 B
LLVM
19 lines
663 B
LLVM
; All of these ands and shifts should be folded into rlwimi's
|
|
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -o %t -f
|
|
; RUN: not grep mulhwu %t
|
|
; RUN: not grep srawi %t
|
|
; RUN: not grep add %t
|
|
; RUN: grep mulhw %t | count 1
|
|
|
|
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
|
|
}
|