[DAGCombiner] Add target hook function to decide folding (mul (add x, c1), c2)

[llvm-project.git] / llvm / test / Transforms / GlobalOpt / basictest.ll

; RUN: opt < %s -globalopt -S | FileCheck %s
; RUN: opt < %s -passes=globalopt -S | FileCheck %s

; CHECK-NOT: global
@X = internal global i32 4              ; <i32*> [#uses=1]

define i32 @foo() {
        %V = load i32, i32* @X               ; <i32> [#uses=1]
        ret i32 %V
}