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TheRock/compiler/amd-llvm/clang/test/CodeGen/sanitize-numerical-stability-attr.cpp
derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

35 lines
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// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck -check-prefix=WITHOUT %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=numerical | FileCheck -check-prefix=NSAN %s
// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=numerical -fsanitize-ignorelist=%t | FileCheck -check-prefix=BL %s
// WITHOUT: NoNSAN3{{.*}}) [[NOATTR:#[0-9]+]]
// BL: NoNSAN3{{.*}}) [[NOATTR:#[0-9]+]]
// NSAN: NoNSAN3{{.*}}) [[NOATTR:#[0-9]+]]
__attribute__((no_sanitize("numerical")))
int NoNSAN3(int *a) { return *a; }
// WITHOUT: NSANOk{{.*}}) [[NOATTR]]
// BL: NSANOk{{.*}}) [[NOATTR]]
// NSAN: NSANOk{{.*}}) [[WITH:#[0-9]+]]
int NSANOk(int *a) { return *a; }
// WITHOUT: TemplateNSANOk{{.*}}) [[NOATTR]]
// BL: TemplateNSANOk{{.*}}) [[NOATTR]]
// NSAN: TemplateNSANOk{{.*}}) [[WITH]]
template<int i>
int TemplateNSANOk() { return i; }
// WITHOUT: TemplateNoNSAN{{.*}}) [[NOATTR]]
// BL: TemplateNoNSAN{{.*}}) [[NOATTR]]
// NSAN: TemplateNoNSAN{{.*}}) [[NOATTR]]
template<int i>
__attribute__((no_sanitize("numerical")))
int TemplateNoNSAN() { return i; }
int force_instance = TemplateNSANOk<42>() + TemplateNoNSAN<42>();
// WITHOUT: attributes [[NOATTR]] = { mustprogress noinline nounwind{{.*}} }
// BL: attributes [[NOATTR]] = { mustprogress noinline nounwind{{.*}} }
// NSAN: attributes [[WITH]] = { mustprogress noinline nounwind optnone sanitize_numerical_stability{{.*}} }