|  | ; All of these ands and shifts should be folded into rlwimi's | 
|  | ; RUN: llc -verify-machineinstrs < %s -mtriple=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) nounwind { | 
|  | 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 | 
|  | } | 
|  |  |