llvm-project/llvm/test/Transforms/Reassociate/shift-factor.ll

14 lines
475 B
LLVM

; There should be exactly one shift and one add left.
; RUN: llvm-upgrade < %s | llvm-as | \
; RUN: opt -reassociate -instcombine | llvm-dis > %t
; RUN: grep shl %t | wc -l | grep 1
; RUN: grep add %t | wc -l | grep 1
int %test(int %X, int %Y) {
%tmp.2 = shl int %X, ubyte 1 ; <int> [#uses=1]
%tmp.6 = shl int %Y, ubyte 1 ; <int> [#uses=1]
%tmp.4 = add int %tmp.6, %tmp.2 ; <int> [#uses=1]
ret int %tmp.4
}