Home | History | Annotate | Download | only in GlobalOpt
      1 ; RUN: opt < %s -globalopt -S | FileCheck %s
      2 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
      3 
      4 	%struct.foo = type { i32, i32 }
      5 @X = internal global %struct.foo* null
      6 ; CHECK: @X.f0
      7 ; CHECK: @X.f1
      8 
      9 define void @bar(i64 %Size) nounwind noinline {
     10 entry:
     11   %mallocsize = mul i64 %Size, 8                  ; <i64> [#uses=1]
     12   %malloccall = tail call i8* @malloc(i64 %mallocsize) ; <i8*> [#uses=1]
     13   %.sub = bitcast i8* %malloccall to %struct.foo* ; <%struct.foo*> [#uses=1]
     14 	store %struct.foo* %.sub, %struct.foo** @X, align 4
     15 	ret void
     16 }
     17 
     18 declare noalias i8* @malloc(i64)
     19 
     20 define i32 @baz() nounwind readonly noinline {
     21 bb1.thread:
     22 	%0 = load %struct.foo** @X, align 4		
     23 	br label %bb1
     24 
     25 bb1:		; preds = %bb1, %bb1.thread
     26 	%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
     27 	%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
     28 	%1 = getelementptr %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
     29 	%2 = load i32* %1, align 4
     30 	%3 = add i32 %2, %sum.0.reg2mem.0	
     31 	%indvar.next = add i32 %i.0.reg2mem.0, 1	
     32 	%exitcond = icmp eq i32 %indvar.next, 1200		
     33 	br i1 %exitcond, label %bb2, label %bb1
     34 
     35 bb2:		; preds = %bb1
     36 	ret i32 %3
     37 }
     38 
     39