forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			112 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -inline -S | FileCheck %s
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| ; Test that bar and bar2 are both inlined throughout and removed.
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| @A = weak global i32 0		; <i32*> [#uses=1]
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| @B = weak global i32 0		; <i32*> [#uses=1]
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| @C = weak global i32 0		; <i32*> [#uses=1]
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| 
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| define fastcc void @foo(i32 %X) {
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| entry:
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| ; CHECK: @foo
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| 	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
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| 	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
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| 	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
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| 	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
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| 
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| cond_true:		; preds = %entry
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| 	store i32 1, i32* @A
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| 	br label %cond_next
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| 
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| cond_next:		; preds = %cond_true, %entry
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| 	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
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| 	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
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| 	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
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| 
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| cond_true5:		; preds = %cond_next
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| 	store i32 1, i32* @B
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| 	br label %cond_next7
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| 
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| cond_next7:		; preds = %cond_true5, %cond_next
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| 	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
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| 	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
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| 	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
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| 
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| cond_true11:		; preds = %cond_next7
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| 	store i32 1, i32* @C
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| 	br label %cond_next13
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| 
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| cond_next13:		; preds = %cond_true11, %cond_next7
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| 	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
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| 	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
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| 	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
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| 
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| cond_true17:		; preds = %cond_next13
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| 	call void @ext( i32* %ALL )
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| 	ret void
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| 
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| UnifiedReturnBlock:		; preds = %cond_next13
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| 	ret void
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| }
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| 
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| ; CHECK-NOT: @bar
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| define internal fastcc void @bar(i32 %X) {
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| entry:
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| 	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
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| 	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
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| 	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
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| 	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
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| 
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| cond_true:		; preds = %entry
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| 	store i32 1, i32* @A
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| 	br label %cond_next
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| 
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| cond_next:		; preds = %cond_true, %entry
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| 	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
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| 	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
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| 	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
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| 
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| cond_true5:		; preds = %cond_next
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| 	store i32 1, i32* @B
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| 	br label %cond_next7
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| 
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| cond_next7:		; preds = %cond_true5, %cond_next
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| 	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
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| 	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
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| 	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
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| 
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| cond_true11:		; preds = %cond_next7
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| 	store i32 1, i32* @C
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| 	br label %cond_next13
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| 
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| cond_next13:		; preds = %cond_true11, %cond_next7
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| 	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
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| 	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
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| 	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
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| 
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| cond_true17:		; preds = %cond_next13
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| 	call void @foo( i32 %X )
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| 	ret void
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| 
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| UnifiedReturnBlock:		; preds = %cond_next13
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| 	ret void
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| }
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| 
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| define internal fastcc void @bar2(i32 %X) {
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| entry:
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| 	call void @foo( i32 %X )
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| 	ret void
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| }
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| 
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| declare void @ext(i32*)
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| 
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| define void @test(i32 %X) {
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| entry:
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| ; CHECK: test
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| ; CHECK-NOT: @bar
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| 	tail call fastcc void @bar( i32 %X )
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| 	tail call fastcc void @bar( i32 %X )
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| 	tail call fastcc void @bar2( i32 %X )
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| 	tail call fastcc void @bar2( i32 %X )
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| 	ret void
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| ; CHECK: ret
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| }
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