52 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -emit-llvm -O0 -debug-info-kind=limited %s -o - | \
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| // RUN:   FileCheck --check-prefixes CHECK %s
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| 
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| // RUN: %clang_cc1 -triple hexagon-unknown--elf -emit-llvm -O0 -debug-info-kind=limited %s -o - | \
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| // RUN:   FileCheck --check-prefixes CHECK,CHECK-LDsm %s
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| 
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| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -debug-info-kind=limited %s -o - | \
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| // RUN:   FileCheck --check-prefixes CHECK,CHECK-LDlg %s
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| 
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| // Per PR26619, check that for referenced static const of floating-point type,
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| // we emit its constant value in debug info.
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| //
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| // NOTE that __fp16 is assumed to be 16 bits, float is assumed to be
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| // 32 bits, and double is assumed to be 64 bits.  Size of long double
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| // is not known (for example, it is 64 bits for hexagon-unknown--elf,
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| // but 128 bits for x86_64-unknown-linux-gnu).  Therefore, we specify
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| // target triples where it has a known size, and check accordingly:
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| // for the absence of a constant (CHECK-LDlg) when the size exceeds 64
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| // bits, and for the presence of a constant (CHECK-LDsm) but not its
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| // value when the size does not exceed 64 bits.
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| //
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| // NOTE that PR26619 is not yet fixed for types greater than 64 bits.
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| 
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| static const __fp16 hVal = 29/13.0f;            //    2.2307692307692307692     (2.23046875)
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| 
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| static const float fVal = -147/17.0f;           //   -8.6470588235294117647     (-8.64705849)
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| 
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| static const double dVal = 19637/7.0;           // 2805.2857142857142857        (2805.2857142857142)
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| 
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| static const long double ldVal = 3/1234567.0L;  //    2.4300017739012949479e-06 (<depends on size of long double>)
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| 
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| int main() {
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|   return hVal + fVal + dVal + ldVal;
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| }
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| 
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| // CHECK: !DIGlobalVariableExpression(var: [[HVAL:.*]], expr: !DIExpression(DW_OP_constu, 16502, DW_OP_stack_value))
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| // CHECK: [[HVAL]] = distinct !DIGlobalVariable(name: "hVal",
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| // CHECK-SAME:                                  isLocal: true, isDefinition: true
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| 
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| // CHECK: !DIGlobalVariableExpression(var: [[FVAL:.*]], expr: !DIExpression(DW_OP_constu, 3238681178, DW_OP_stack_value))
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| // CHECK: [[FVAL]] = distinct !DIGlobalVariable(name: "fVal",
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| // CHECK-SAME:                                  isLocal: true, isDefinition: true
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| 
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| // CHECK: !DIGlobalVariableExpression(var: [[DVAL:.*]], expr: !DIExpression(DW_OP_constu, 4658387303597904457, DW_OP_stack_value))
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| // CHECK: [[DVAL]] = distinct !DIGlobalVariable(name: "dVal",
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| // CHECK-SAME:                                  isLocal: true, isDefinition: true
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| 
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| // CHECK-LDlg-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true)
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| // CHECK-LDlg-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr: !DIExpression())
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| // CHECK-LDsm-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true)
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| // CHECK-LDsm-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr:
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