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      1 ; RUN: opt < %s -basicaa -globals-aa -S -enable-non-lto-gmr=true -licm | FileCheck %s
      2 
      3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
      4 target triple = "x86_64-apple-macosx10.10.0"
      5 
      6 @b = common global i32 0, align 4
      7 @c = internal global i32 0, align 4
      8 @d = common global i32 0, align 4
      9 @e = common global i32* null, align 4
     10 
     11 define void @foo(i32* %P) noinline {
     12 ; CHECK: define void @foo
     13   %loadp = load i32, i32* %P, align 4
     14   store i32 %loadp, i32* @d, align 4
     15   ret void
     16 }
     17 
     18 define void @bar() noinline {
     19 ; CHECK: define void @bar
     20   %loadp = load i32, i32* @d, align 4
     21   store i32 %loadp, i32* @c, align 4
     22   ret void
     23 }
     24 
     25 define i32 @main() {
     26 entry:
     27   %retval = alloca i32, align 4
     28   %c = alloca [1 x i32], align 4
     29   store i32 0, i32* %retval, align 4
     30   call void @bar()
     31   store i32 0, i32* @b, align 4
     32   br label %for.cond
     33   ;; Check that @c is LICM'ed out.
     34 ; CHECK: load i32, i32* @c
     35 for.cond:                                         ; preds = %for.inc, %entry
     36 ; CHECK-LABEL: for.cond:
     37 ; CHECK: load i32, i32* @b
     38   %a1 = load i32, i32* @b, align 4
     39   %aa2 = load i32, i32* @c, align 4
     40   %add = add nsw i32 %a1, %aa2
     41   %p1 = load i32*, i32** @e, align 4
     42   call void @foo(i32* %p1)
     43   %cmp = icmp slt i32 %add, 3
     44   br i1 %cmp, label %for.body, label %for.end
     45 
     46 for.body:                                         ; preds = %for.cond
     47   %a2 = load i32, i32* @b, align 4
     48   %idxprom = sext i32 %a2 to i64
     49   br label %for.inc
     50 
     51 for.inc:                                          ; preds = %for.body
     52   %a3 = load i32, i32* @b, align 4
     53   %inc = add nsw i32 %a3, 1
     54   store i32 %inc, i32* @b, align 4
     55   br label %for.cond
     56 
     57 for.end:                                          ; preds = %for.cond
     58   ret i32 0
     59 }
     60 
     61 ; Function Attrs: nounwind argmemonly
     62 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind argmemonly
     63 
     64 ; Function Attrs: noreturn nounwind
     65 declare void @abort() noreturn nounwind
     66