test/Transforms/InstCombine/mul-masked-bits.ll


1
2
3
4
5
6
7
8
9
10

; RUN: opt %s -instcombine | llvm-dis | grep ashr

define i32 @foo(i32 %x, i32 %y) {
  %a = and i32 %x, 7
  %b = and i32 %y, 7
  %c = mul i32 %a, %b
  %d = shl i32 %c, 26
  %e = ashr i32 %d, 26
  ret i32 %e
}