69 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| ; REQUIRES: asserts
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| ; Test default using size of profile as a proxy
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| ; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/cs-preinline-cost.perfscript --binary=%S/Inputs/cs-preinline-cost.perfbin --csspgo-preinliner --debug-only=cs-preinliner --use-context-cost-for-preinliner=0 --output=/dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT
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| 
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| ; Test use-context-cost-for-preinliner using inlinee's byte size as context-sensitive inline cost
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| ; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/cs-preinline-cost.perfscript --binary=%S/Inputs/cs-preinline-cost.perfbin --csspgo-preinliner --debug-only=cs-preinliner --use-context-cost-for-preinliner --output=/dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-CSCOST
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| 
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| CHECK-DEFAULT:      Process main for context-sensitive pre-inlining (pre-inline size: 9, size limit: 108)
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| CHECK-DEFAULT-NEXT:   Inlined context profile for: main:9 @ _Z3fooi (callee size: 2, call count:545)
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| CHECK-DEFAULT-NEXT:   Inlined context profile for: main:7 @ _Z3fooi (callee size: 14, call count:545)
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| CHECK-DEFAULT-NEXT:   Inlined context profile for: main:8 @ _Z3fooi (callee size: 4, call count:544)
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| 
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| CHECK-CSCOST:      Process main for context-sensitive pre-inlining (pre-inline size: 69, size limit: 828)
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| ; This inlinee is fully optimized away, make sure we have the correct zero size for that context even if the size is
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| ; not available through symbolization.
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| CHECK-CSCOST-NEXT:   Inlined context profile for: main:9 @ _Z3fooi (callee size: 0, call count:545)
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| CHECK-CSCOST-NEXT:   Inlined context profile for: main:7 @ _Z3fooi (callee size: 279, call count:545)
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| CHECK-CSCOST-NEXT:   Inlined context profile for: main:8 @ _Z3fooi (callee size: 44, call count:544)
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| 
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| ; binary is built with the source below using the following command line:
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| ;   clang -O3 -g -fpseudo-probe-for-profiling test.cpp
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| ;
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| ;#include <stdio.h>
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| ;
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| ;volatile int state = 9000;
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| ;
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| ;int foo(int x) {
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| ;    if (x == 0) {
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| ;        return 7;
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| ;    }
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| ;
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| ;    if ((x & 1) == 0) {
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| ;        state--;
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| ;        return 9;
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| ;    }
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| ;
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| ;    if (state > 5000) {
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| ;        while (state > 5000) {
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| ;               for (int i = 50; i >= 0; i--) {
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| ;                state *= 6;
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| ;                state /= 7;
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| ;                state -= 1;
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| ;            }
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| ;        }
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| ;    }
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| ;    else {
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| ;        while (state < 5000) {
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| ;            for (int i = 50; i >= 0; i--) {
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| ;                state *= 6;
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| ;                state /= 5;
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| ;                state += 1;
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| ;            }
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| ;        }
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| ;    }
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| ;
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| ;    return state;
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| ;}
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| ;
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| ;volatile int cnt = 10000000;//10000000;
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| ;int main() {
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| ;    int r = 0;
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| ;    for (int i = 0; i < cnt; i++) {
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| ;      r += foo(i);
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| ;      r -= foo(i & (~1));
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| ;      r += foo(0);
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| ;    }
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| ;    return r;
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| ;}
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