llvm/test/CodeGen/PowerPC/mulhs.ll
2006-12-02 04:23:10 +00:00

18 lines
801 B
LLVM

; All of these ands and shifts should be folded into rlwimi's
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | not grep mulhwu &&
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | not grep srawi &&
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | not grep add &&
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | grep mulhw | wc -l | grep 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
}