llvm/test/CodeGen/X86/2010-05-10-DAGCombinerBug.ll

; RUN: llc < %s -mtriple=i386-apple-darwin10
; PR7018
; rdar://7939869

define i32 @CXB30130(i32 %num1, i16* nocapture %num2, float* nocapture %num3, double* nocapture %num4) nounwind ssp {
entry:
  %0 = load i16* %num2, align 2                   ; <i16> [#uses=2]
  %1 = mul nsw i16 %0, %0                         ; <i16> [#uses=1]
  store i16 %1, i16* %num2, align 2
  ret i32 undef
}