test/Transforms/ConstantHoisting/X86/const-base-addr.ll


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; RUN: opt -S -consthoist < %s | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"

%T = type { i32, i32, i32, i32 }

; Test if even cheap base addresses are hoisted.
define i32 @test1() nounwind {
; CHECK-LABEL:  @test1
; CHECK:        %const = bitcast i32 12345678 to i32
; CHECK:        %1 = inttoptr i32 %const to %T*
; CHECK:        %addr1 = getelementptr %T* %1, i32 0, i32 1
  %addr1 = getelementptr %T* inttoptr (i32 12345678 to %T*), i32 0, i32 1
  %tmp1 = load i32* %addr1
  %addr2 = getelementptr %T* inttoptr (i32 12345678 to %T*), i32 0, i32 2
  %tmp2 = load i32* %addr2
  %addr3 = getelementptr %T* inttoptr (i32 12345678 to %T*), i32 0, i32 3
  %tmp3 = load i32* %addr3
  %tmp4 = add i32 %tmp1, %tmp2
  %tmp5 = add i32 %tmp3, %tmp4
  ret i32 %tmp5
}