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

[llvm-project.git] / llvm / test / Transforms / NewGVN / crash-no-aa.ll

; RUN: opt -disable-basic-aa -newgvn -S < %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-freebsd8.0"

; PR5744
define i32 @test1({i16, i32} *%P) {
  %P2 = getelementptr {i16, i32}, {i16, i32} *%P, i32 0, i32 0
  store i16 42, i16* %P2

  %P3 = getelementptr {i16, i32}, {i16, i32} *%P, i32 0, i32 1
  %V = load i32, i32* %P3
  ret i32 %V
}