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      1 ; RUN: opt < %s -inline -S | FileCheck %s
      2 ; Test that bar and bar2 are both inlined throughout and removed.
      3 @A = weak global i32 0		; <i32*> [#uses=1]
      4 @B = weak global i32 0		; <i32*> [#uses=1]
      5 @C = weak global i32 0		; <i32*> [#uses=1]
      6 
      7 define fastcc void @foo(i32 %X) {
      8 entry:
      9 ; CHECK: @foo
     10 	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
     11 	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
     12 	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
     13 	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
     14 
     15 cond_true:		; preds = %entry
     16 	store i32 1, i32* @A
     17 	br label %cond_next
     18 
     19 cond_next:		; preds = %cond_true, %entry
     20 	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
     21 	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
     22 	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
     23 
     24 cond_true5:		; preds = %cond_next
     25 	store i32 1, i32* @B
     26 	br label %cond_next7
     27 
     28 cond_next7:		; preds = %cond_true5, %cond_next
     29 	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
     30 	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
     31 	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
     32 
     33 cond_true11:		; preds = %cond_next7
     34 	store i32 1, i32* @C
     35 	br label %cond_next13
     36 
     37 cond_next13:		; preds = %cond_true11, %cond_next7
     38 	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
     39 	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
     40 	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
     41 
     42 cond_true17:		; preds = %cond_next13
     43 	call void @ext( i32* %ALL )
     44 	ret void
     45 
     46 UnifiedReturnBlock:		; preds = %cond_next13
     47 	ret void
     48 }
     49 
     50 ; CHECK-NOT: @bar
     51 define internal fastcc void @bar(i32 %X) {
     52 entry:
     53 	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
     54 	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
     55 	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
     56 	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
     57 
     58 cond_true:		; preds = %entry
     59 	store i32 1, i32* @A
     60 	br label %cond_next
     61 
     62 cond_next:		; preds = %cond_true, %entry
     63 	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
     64 	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
     65 	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
     66 
     67 cond_true5:		; preds = %cond_next
     68 	store i32 1, i32* @B
     69 	br label %cond_next7
     70 
     71 cond_next7:		; preds = %cond_true5, %cond_next
     72 	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
     73 	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
     74 	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
     75 
     76 cond_true11:		; preds = %cond_next7
     77 	store i32 1, i32* @C
     78 	br label %cond_next13
     79 
     80 cond_next13:		; preds = %cond_true11, %cond_next7
     81 	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
     82 	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
     83 	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
     84 
     85 cond_true17:		; preds = %cond_next13
     86 	call void @foo( i32 %X )
     87 	ret void
     88 
     89 UnifiedReturnBlock:		; preds = %cond_next13
     90 	ret void
     91 }
     92 
     93 define internal fastcc void @bar2(i32 %X) {
     94 entry:
     95 	call void @foo( i32 %X )
     96 	ret void
     97 }
     98 
     99 declare void @ext(i32*)
    100 
    101 define void @test(i32 %X) {
    102 entry:
    103 ; CHECK: test
    104 ; CHECK-NOT: @bar
    105 	tail call fastcc void @bar( i32 %X )
    106 	tail call fastcc void @bar( i32 %X )
    107 	tail call fastcc void @bar2( i32 %X )
    108 	tail call fastcc void @bar2( i32 %X )
    109 	ret void
    110 ; CHECK: ret
    111 }
    112