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9a8d477a0e
Add handling for the "pure", "const" and "convergent" function attributes for OpenCL builtin functions. Patch by Pierre Gondois and Sven van Haastregt. Differential Revision: https://reviews.llvm.org/D64319
23 lines
796 B
Common Lisp
23 lines
796 B
Common Lisp
// RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -fdeclare-opencl-builtins -finclude-default-header %s | FileCheck %s
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// Test that Attr.Const from OpenCLBuiltins.td is lowered to a readnone attribute.
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// CHECK-LABEL: @test_const_attr
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// CHECK: call i32 @_Z3maxii({{.*}}) [[ATTR_CONST:#[0-9]]]
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// CHECK: ret
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int test_const_attr(int a) {
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return max(a, 2);
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}
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// Test that Attr.Pure from OpenCLBuiltins.td is lowered to a readonly attribute.
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// CHECK-LABEL: @test_pure_attr
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// CHECK: call <4 x float> @_Z11read_imagef{{.*}} [[ATTR_PURE:#[0-9]]]
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// CHECK: ret
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kernel void test_pure_attr(read_only image1d_t img) {
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float4 resf = read_imagef(img, 42);
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}
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// CHECK: attributes [[ATTR_CONST]] =
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// CHECK-SAME: readnone
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// CHECK: attributes [[ATTR_PURE]] =
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// CHECK-SAME: readonly
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