derek.holloway
7502bf64a4
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38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
// RUN: %clang -target aarch64 -emit-llvm -S %s -o - | FileCheck %s
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// RUN: %clang -target lanai -emit-llvm -S %s -o - | FileCheck %s
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// RUN: %clang -target riscv64 -emit-llvm -S %s -o - | FileCheck %s
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// RUN: %clang -target x86_64 -emit-llvm -S %s -o - | FileCheck %s
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// Run a variety of targets to ensure there's no target-based difference.
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// An SNaN with no payload is formed by setting the bit after the
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// the quiet bit (MSB of the significand).
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// CHECK: float +qnan, float +snan(0x200000)
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float f[] = {
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__builtin_nanf(""),
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__builtin_nansf(""),
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};
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// Doubles are created and converted to floats.
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// Converting (truncating) to float quiets the NaN (sets the MSB
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// of the significand) and raises the APFloat invalidOp exception
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// but that should not cause a compilation error in the default
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// (ignore FP exceptions) mode.
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// CHECK: float +qnan, float +nan(0x200000)
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float converted_to_float[] = {
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__builtin_nan(""),
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__builtin_nans(""),
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};
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// CHECK: double +qnan, double +snan(0x4000000000000)
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double d[] = {
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__builtin_nan(""),
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__builtin_nans(""),
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};
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