65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s
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| 
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| ; Source:
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| ; 
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| ; extern __attribute__((cold)) void sink();
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| ; extern void sideeffect(int);
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| ; void foo(int cond1, int cond2) {
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| ;     if (cond1) {
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| ;         if (cond2) {
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| ;             sideeffect(0);
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| ;         } else {
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| ;             sideeffect(1);
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| ;         }
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| ;         sink();
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| ;     } else {
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| ;         sideeffect(2);
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| ;     }
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| ;     sink();
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| ; }
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| 
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| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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| target triple = "x86_64-apple-macosx10.14.0"
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| 
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| ; CHECK: define {{.*}}@_Z3fooii{{.*}}#[[outlined_func_attr:[0-9]+]]
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| ; CHECK-NOT: _Z3fooii.cold
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| ; CHECK: attributes #[[outlined_func_attr]] = { {{.*}}minsize
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| define void @_Z3fooii(i32, i32) {
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|   %3 = alloca i32, align 4
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|   %4 = alloca i32, align 4
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|   store i32 %0, i32* %3, align 4
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|   store i32 %1, i32* %4, align 4
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|   %5 = load i32, i32* %3, align 4
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|   %6 = icmp ne i32 %5, 0
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|   br i1 %6, label %7, label %13
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| 
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| ; <label>:7:                                      ; preds = %2
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|   %8 = load i32, i32* %4, align 4
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|   %9 = icmp ne i32 %8, 0
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|   br i1 %9, label %10, label %11
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| 
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| ; <label>:10:                                     ; preds = %7
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|   call void @_Z10sideeffecti(i32 0)
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|   br label %12
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| 
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| ; <label>:11:                                     ; preds = %7
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|   call void @_Z10sideeffecti(i32 1)
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|   br label %12
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| 
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| ; <label>:12:                                     ; preds = %11, %10
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|   call void @_Z4sinkv() #3
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|   br label %14
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| 
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| ; <label>:13:                                     ; preds = %2
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|   call void @_Z10sideeffecti(i32 2)
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|   br label %14
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| 
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| ; <label>:14:                                     ; preds = %13, %12
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|   call void @_Z4sinkv() #3
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|   ret void
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| }
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| 
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| declare void @_Z10sideeffecti(i32)
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| 
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| declare void @_Z4sinkv() cold
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