d8ef5bcc87
Add `getCPUAndFeaturesAttributes` to `CIRGenModule`, mirroring OGCG's `GetCPUAndFeaturesAttributes`. This sets `cir.target-cpu`, `cir.target-features` and `cir.tune-cpu` string attributes on `cir.func`. For AMDGPU, only features that differ from the target CPU's defaults are emitted matching OGCG.
44 lines
2.0 KiB
C++
44 lines
2.0 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
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extern "C" {
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// FIXME: We should figure out how to better print this on functions in the
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// future.
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// CIR: cir.func{{.*}}@pure_func() -> !s32i side_effect(pure) attributes {{{.*}}nothrow} {
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// LLVM: Function Attrs: {{.*}}nounwind{{.*}}willreturn{{.*}}memory(read)
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// LLVM: define{{.*}} @pure_func() #{{.*}} {
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// OGCG: Function Attrs: {{.*}}nounwind{{.*}}willreturn{{.*}}memory(read)
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// OGCG: define{{.*}} @pure_func() #{{.*}} {
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__attribute__((pure))
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int pure_func() { return 2;}
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// CIR: cir.func{{.*}}@const_func() -> !s32i side_effect(const) attributes {{{.*}}nothrow} {
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// LLVM: Function Attrs: {{.*}}nounwind{{.*}}willreturn{{.*}}memory(none)
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// LLVM: define{{.*}} @const_func() #{{.*}} {
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// OGCG: Function Attrs: {{.*}}nounwind{{.*}}willreturn{{.*}}memory(none)
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// OGCG: define{{.*}} @const_func() #{{.*}} {
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__attribute__((const))
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int const_func() { return 1;}
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void use() {
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// CIR: cir.call @pure_func() side_effect(pure) : () -> !s32i
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// LLVM: call i32 @pure_func() #[[PURE_ATTR:.*]]
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// OGCG: call i32 @pure_func() #[[PURE_ATTR:.*]]
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pure_func();
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// CIR: cir.call @const_func() side_effect(const) : () -> !s32i
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// LLVM: call i32 @const_func() #[[CONST_ATTR:.*]]
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// OGCG: call i32 @const_func() #[[CONST_ATTR:.*]]
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const_func();
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}
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// LLVM: attributes #[[PURE_ATTR]] = {{{.*}}nounwind{{.*}}willreturn{{.*}}memory(read) }
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// OGCG: attributes #[[PURE_ATTR]] = {{{.*}}nounwind{{.*}}willreturn{{.*}}memory(read) }
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// LLVM: attributes #[[CONST_ATTR]] = {{{.*}}nounwind{{.*}}willreturn{{.*}}memory(none) }
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// OGCG: attributes #[[CONST_ATTR]] = {{{.*}}nounwind{{.*}}willreturn{{.*}}memory(none) }
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}
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