64 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck %s
 | |
| ;
 | |
| 
 | |
| define i32 @callee_indr_branch(i32 %v) {
 | |
| entry:
 | |
|   %cmp = icmp sgt i32 %v, 2000
 | |
|   %addr = select i1 %cmp, i8* blockaddress(@callee_indr_branch, %if.then), i8* blockaddress(@callee_indr_branch, %if.end)
 | |
|   indirectbr i8* %addr, [ label %if.then, label %if.end]
 | |
| 
 | |
| if.then:                                          ; preds = %entry
 | |
|   %mul = mul nsw i32 %v, 10
 | |
|   br label %if.then2
 | |
| 
 | |
| if.then2:
 | |
|   %sub = sub i32 %v, 10
 | |
|   br label %if.end
 | |
| 
 | |
| if.end:                                           ; preds = %if.then, %entry
 | |
|   %v2 = phi i32 [ %v, %entry ], [ %mul, %if.then2 ]
 | |
|   %add = add nsw i32 %v2, 200
 | |
|   ret i32 %add
 | |
| }
 | |
| 
 | |
| declare void @use_fp(i8 *)
 | |
| declare void @llvm.localescape(...)
 | |
| declare i8* @llvm.frameaddress(i32)
 | |
| declare i8* @llvm.localrecover(i8*, i8*, i32)
 | |
| 
 | |
| 
 | |
| 
 | |
| define i32 @callee_frameescape(i32 %v) {
 | |
| entry:
 | |
|   %a = alloca i32
 | |
|   call void (...) @llvm.localescape(i32* %a)
 | |
|   %cmp = icmp sgt i32 %v, 2000
 | |
|   br i1 %cmp, label %if.then, label %if.end
 | |
| 
 | |
| if.then:                                          ; preds = %entry
 | |
|   %mul = mul nsw i32 %v, 10
 | |
|   br label %if.then2
 | |
| 
 | |
| if.then2:
 | |
|   %sub = sub i32 %v, 10
 | |
|   br label %if.end
 | |
| 
 | |
| if.end:                                           ; preds = %if.then, %entry
 | |
|   %v2 = phi i32 [ %v, %entry ], [ %mul, %if.then2 ]
 | |
|   %add = add nsw i32 %v2, 200
 | |
|   ret i32 %add
 | |
| }
 | |
| 
 | |
| 
 | |
| ; CHECK-LABEL: @caller
 | |
| ; CHECK: %r1 = call i32 @callee_indr_branch(i32 %v)
 | |
| ; CHECK-NEXT: %r2 = call i32 @callee_frameescape(i32 %v)
 | |
| define i32 @caller(i32 %v) {
 | |
| entry:
 | |
|   %r1 = call i32 @callee_indr_branch(i32 %v)
 | |
|   %r2 = call i32 @callee_frameescape(i32 %v)
 | |
|   %res = add i32 %r1, %r2
 | |
|   ret i32 %res
 | |
| }
 | |
| 
 |