llvm.org GIT mirror llvm / release_20 test / CodeGen / PowerPC / mulhs.ll
release_20

Tree @release_20 (Download .tar.gz)

mulhs.ll @release_20

feca19b
eb1d74e
 
 
 
 
feca19b
 
 
 
 
 
 
 
 
 
 
 
; 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 | 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
}