forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			43 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -emit-llvm < %s > %t
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| // RUN: FileCheck %s --check-prefix=PRESENT < %t
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| // RUN: FileCheck %s --check-prefix=ABSENT  < %t
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| // RUN: %clang_cc1 -emit-llvm -Os < %s > %t
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| // RUN: FileCheck %s --check-prefix=PRESENT < %t
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| // RUN: FileCheck %s --check-prefix=OPTSIZE < %t
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| // RUN: %clang_cc1 -emit-llvm -Oz < %s > %t
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| // RUN: FileCheck %s --check-prefix=PRESENT < %t
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| // RUN: FileCheck %s --check-prefix=MINSIZE < %t
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| 
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| __attribute__((always_inline))
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| int test2() { return 0; }
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| // OPTSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]]
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| // MINSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]]
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| 
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| __attribute__((optnone))
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| int test3() { return 0; }
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| // PRESENT-DAG: @test3{{.*}}[[ATTR3:#[0-9]+]]
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| 
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| __attribute__((optnone)) __attribute__((cold))
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| int test4() { return test2(); }
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| // PRESENT-DAG: @test4{{.*}}[[ATTR4:#[0-9]+]]
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| // Also check that test2 is inlined into test4 (always_inline still works).
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| // PRESENT-NOT: call i32 @test2
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| 
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| // Check for both noinline and optnone on each optnone function.
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| // PRESENT-DAG: attributes [[ATTR3]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
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| // PRESENT-DAG: attributes [[ATTR4]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
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| 
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| // Check that no 'optsize' or 'minsize' attributes appear.
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| // ABSENT-NOT: optsize
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| // ABSENT-NOT: minsize
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| 
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| // With -Os, check that 'optsize' appears only on test2.
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| // OPTSIZE-NOT: optsize
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| // OPTSIZE: attributes [[ATTR2]] = { {{.*}}optsize{{.*}} }
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| // OPTSIZE-NOT: optsize
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| 
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| // With -Oz, check that 'minsize' appears only on test2.
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| // MINSIZE-NOT: minsize
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| // MINSIZE: attributes [[ATTR2]] = { {{.*}}minsize{{.*}} }
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| // MINSIZE-NOT: minsize
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