47 lines
2.3 KiB
C
47 lines
2.3 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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// 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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// 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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// 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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static const __fp16 hVal = 29/13.0f; // 2.2307692307692307692 (2.23046875)
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static const float fVal = -147/17.0f; // -8.6470588235294117647 (-8.64705849)
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static const double dVal = 19637/7.0; // 2805.2857142857142857 (2805.2857142857142)
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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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int main() {
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return hVal + fVal + dVal + ldVal;
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}
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// CHECK: !DIGlobalVariable(name: "hVal", {{.*}}, isLocal: true, isDefinition: true, expr: ![[HEXPR:[0-9]+]]
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// CHECK: ![[HEXPR]] = !DIExpression(DW_OP_constu, 16502, DW_OP_stack_value)
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// CHECK: !DIGlobalVariable(name: "fVal", {{.*}}, isLocal: true, isDefinition: true, expr: ![[FEXPR:[0-9]+]]
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// CHECK: ![[FEXPR]] = !DIExpression(DW_OP_constu, 3238681178, DW_OP_stack_value)
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// CHECK: !DIGlobalVariable(name: "dVal", {{.*}}, isLocal: true, isDefinition: true, expr: ![[DEXPR:[0-9]+]]
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// CHECK: ![[DEXPR]] = !DIExpression(DW_OP_constu, 4658387303597904457, DW_OP_stack_value)
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// CHECK-LDlg: !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true)
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// CHECK-LDsm: !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true, expr:
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