In some rare cases, the register allocator can spill registers but end up not utilizi...

[llvm/msp430.git] / test / Transforms / Reassociate / mulfactor.ll

; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep mul | count 2

; This should have exactly 2 multiplies when we're done.

define i32 @f(i32 %a, i32 %b) {
        %tmp.2 = mul i32 %a, %a         ; <i32> [#uses=1]
        %tmp.5 = shl i32 %a, 1          ; <i32> [#uses=1]
        %tmp.6 = mul i32 %tmp.5, %b             ; <i32> [#uses=1]
        %tmp.10 = mul i32 %b, %b                ; <i32> [#uses=1]
        %tmp.7 = add i32 %tmp.6, %tmp.2         ; <i32> [#uses=1]
        %tmp.11 = add i32 %tmp.7, %tmp.10               ; <i32> [#uses=1]
        ret i32 %tmp.11
}