95fd2ca69f
The OpenCL single precision division operation is only required to be accurate to 2.5ulp. Annotate the fdiv instruction with metadata which signals to the backend that an imprecise divide instruction may be used. llvm-svn: 143136
26 lines
598 B
Common Lisp
26 lines
598 B
Common Lisp
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
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typedef __attribute__(( ext_vector_type(4) )) float float4;
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float spscalardiv(float a, float b) {
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// CHECK: @spscalardiv
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// CHECK: fdiv{{.*}}, !fpaccuracy ![[MD:[0-9]+]]
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return a / b;
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}
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float4 spvectordiv(float4 a, float4 b) {
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// CHECK: @spvectordiv
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// CHECK: fdiv{{.*}}, !fpaccuracy ![[MD]]
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return a / b;
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}
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#pragma OPENCL EXTENSION cl_khr_fp64 : enable
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double dpscalardiv(double a, double b) {
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// CHECK: @dpscalardiv
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// CHECK-NOT: !fpaccuracy
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return a / b;
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}
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// CHECK: ![[MD]] = metadata !{i{{[0-9]+}} 5, i{{[0-9]+}} 2}
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