mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-25 14:30:32 +00:00
fea1dd0804
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79992 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
622 B
LLVM
18 lines
622 B
LLVM
; All of these ands and shifts should be folded into rlwimi's
|
|
; RUN: llvm-as < %s | llc -march=ppc32 -o %t
|
|
; RUN: not grep mulhwu %t
|
|
; RUN: not grep srawi %t
|
|
; RUN: not grep add %t
|
|
; RUN: grep mulhw %t | count 1
|
|
|
|
define i32 @mulhs(i32 %a, i32 %b) {
|
|
entry:
|
|
%tmp.1 = sext i32 %a to i64 ; <i64> [#uses=1]
|
|
%tmp.3 = sext i32 %b to i64 ; <i64> [#uses=1]
|
|
%tmp.4 = mul i64 %tmp.3, %tmp.1 ; <i64> [#uses=1]
|
|
%tmp.6 = lshr i64 %tmp.4, 32 ; <i64> [#uses=1]
|
|
%tmp.7 = trunc i64 %tmp.6 to i32 ; <i32> [#uses=1]
|
|
ret i32 %tmp.7
|
|
}
|
|
|