| 1 | // RUN: %clang_cc1 -emit-llvm -O0 -debug-info-kind=limited %s -o - | \ |
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| 2 | // RUN: FileCheck --check-prefixes CHECK %s |
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| 3 | |
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| 4 | // RUN: %clang_cc1 -triple hexagon-unknown--elf -emit-llvm -O0 -debug-info-kind=limited %s -o - | \ |
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| 5 | // RUN: FileCheck --check-prefixes CHECK,CHECK-LDsm %s |
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| 6 | |
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| 7 | // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -debug-info-kind=limited %s -o - | \ |
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| 8 | // RUN: FileCheck --check-prefixes CHECK,CHECK-LDlg %s |
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| 9 | |
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| 10 | // Per PR26619, check that for referenced static const of floating-point type, |
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| 11 | // we emit its constant value in debug info. |
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| 12 | // |
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| 13 | // NOTE that __fp16 is assumed to be 16 bits, float is assumed to be |
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| 14 | // 32 bits, and double is assumed to be 64 bits. Size of long double |
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| 15 | // is not known (for example, it is 64 bits for hexagon-unknown--elf, |
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| 16 | // but 128 bits for x86_64-unknown-linux-gnu). Therefore, we specify |
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| 17 | // target triples where it has a known size, and check accordingly: |
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| 18 | // for the absence of a constant (CHECK-LDlg) when the size exceeds 64 |
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| 19 | // bits, and for the presence of a constant (CHECK-LDsm) but not its |
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| 20 | // value when the size does not exceed 64 bits. |
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| 21 | // |
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| 22 | // NOTE that PR26619 is not yet fixed for types greater than 64 bits. |
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| 23 | |
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| 24 | static const __fp16 hVal = 29/13.0f; // 2.2307692307692307692 (2.23046875) |
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| 25 | |
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| 26 | static const float fVal = -147/17.0f; // -8.6470588235294117647 (-8.64705849) |
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| 27 | |
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| 28 | static const double dVal = 19637/7.0; // 2805.2857142857142857 (2805.2857142857142) |
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| 29 | |
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| 30 | static const long double ldVal = 3/1234567.0L; // 2.4300017739012949479e-06 (<depends on size of long double>) |
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| 31 | |
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| 32 | int main() { |
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| 33 | return hVal + fVal + dVal + ldVal; |
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| 34 | } |
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| 35 | |
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| 36 | // CHECK: !DIGlobalVariableExpression(var: [[HVAL:.*]], expr: !DIExpression(DW_OP_constu, 16502, DW_OP_stack_value)) |
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| 37 | // CHECK: [[HVAL]] = distinct !DIGlobalVariable(name: "hVal", |
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| 38 | // CHECK-SAME: isLocal: true, isDefinition: true |
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| 39 | |
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| 40 | // CHECK: !DIGlobalVariableExpression(var: [[FVAL:.*]], expr: !DIExpression(DW_OP_constu, 3238681178, DW_OP_stack_value)) |
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| 41 | // CHECK: [[FVAL]] = distinct !DIGlobalVariable(name: "fVal", |
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| 42 | // CHECK-SAME: isLocal: true, isDefinition: true |
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| 43 | |
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| 44 | // CHECK: !DIGlobalVariableExpression(var: [[DVAL:.*]], expr: !DIExpression(DW_OP_constu, 4658387303597904457, DW_OP_stack_value)) |
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| 45 | // CHECK: [[DVAL]] = distinct !DIGlobalVariable(name: "dVal", |
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| 46 | // CHECK-SAME: isLocal: true, isDefinition: true |
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| 47 | |
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| 48 | // CHECK-LDlg-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true) |
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| 49 | // CHECK-LDlg-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr: !DIExpression()) |
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| 50 | // CHECK-LDsm-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true) |
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| 51 | // CHECK-LDsm-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr: |
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| 52 | |
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