279 lines
11 KiB
C++
279 lines
11 KiB
C++
#include "Utils/AArch64SMEAttributes.h"
|
|
#include "llvm/AsmParser/Parser.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "llvm/Support/SourceMgr.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
using SA = SMEAttrs;
|
|
|
|
std::unique_ptr<Module> parseIR(const char *IR) {
|
|
static LLVMContext C;
|
|
SMDiagnostic Err;
|
|
return parseAssemblyString(IR, Err, C);
|
|
}
|
|
|
|
TEST(SMEAttributes, Constructors) {
|
|
LLVMContext Context;
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo()")->getFunction("foo"))
|
|
.hasNonStreamingInterfaceAndBody());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_sm_body\"")
|
|
->getFunction("foo"))
|
|
.hasNonStreamingInterface());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_sm_enabled\"")
|
|
->getFunction("foo"))
|
|
.hasStreamingInterface());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_sm_body\"")
|
|
->getFunction("foo"))
|
|
.hasStreamingBody());
|
|
|
|
ASSERT_TRUE(
|
|
SA(*parseIR("declare void @foo() \"aarch64_pstate_sm_compatible\"")
|
|
->getFunction("foo"))
|
|
.hasStreamingCompatibleInterface());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_za_shared\"")
|
|
->getFunction("foo"))
|
|
.sharesZA());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_za_shared\"")
|
|
->getFunction("foo"))
|
|
.hasSharedZAInterface());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_za_new\"")
|
|
->getFunction("foo"))
|
|
.hasNewZABody());
|
|
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_pstate_za_preserved\"")
|
|
->getFunction("foo"))
|
|
.preservesZA());
|
|
|
|
ASSERT_TRUE(
|
|
SA(*parseIR("declare void @foo() \"aarch64_in_zt0\"")->getFunction("foo"))
|
|
.isInZT0());
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_out_zt0\"")
|
|
->getFunction("foo"))
|
|
.isOutZT0());
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_inout_zt0\"")
|
|
->getFunction("foo"))
|
|
.isInOutZT0());
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_preserves_zt0\"")
|
|
->getFunction("foo"))
|
|
.isPreservesZT0());
|
|
ASSERT_TRUE(SA(*parseIR("declare void @foo() \"aarch64_new_zt0\"")
|
|
->getFunction("foo"))
|
|
.isNewZT0());
|
|
|
|
// Invalid combinations.
|
|
EXPECT_DEBUG_DEATH(SA(SA::SM_Enabled | SA::SM_Compatible),
|
|
"SM_Enabled and SM_Compatible are mutually exclusive");
|
|
EXPECT_DEBUG_DEATH(SA(SA::ZA_New | SA::ZA_Shared),
|
|
"ZA_New and ZA_Shared are mutually exclusive");
|
|
EXPECT_DEBUG_DEATH(SA(SA::ZA_New | SA::ZA_Preserved),
|
|
"ZA_New and ZA_Preserved are mutually exclusive");
|
|
|
|
// Test that the set() methods equally check validity.
|
|
EXPECT_DEBUG_DEATH(SA(SA::SM_Enabled).set(SA::SM_Compatible),
|
|
"SM_Enabled and SM_Compatible are mutually exclusive");
|
|
EXPECT_DEBUG_DEATH(SA(SA::SM_Compatible).set(SA::SM_Enabled),
|
|
"SM_Enabled and SM_Compatible are mutually exclusive");
|
|
}
|
|
|
|
TEST(SMEAttributes, Basics) {
|
|
// Test PSTATE.SM interfaces.
|
|
ASSERT_TRUE(SA(SA::Normal).hasNonStreamingInterfaceAndBody());
|
|
ASSERT_TRUE(SA(SA::SM_Enabled).hasStreamingInterface());
|
|
ASSERT_TRUE(SA(SA::SM_Body).hasStreamingBody());
|
|
ASSERT_TRUE(SA(SA::SM_Body).hasNonStreamingInterface());
|
|
ASSERT_FALSE(SA(SA::SM_Body).hasNonStreamingInterfaceAndBody());
|
|
ASSERT_FALSE(SA(SA::SM_Body).hasStreamingInterface());
|
|
ASSERT_TRUE(SA(SA::SM_Compatible).hasStreamingCompatibleInterface());
|
|
ASSERT_TRUE(
|
|
SA(SA::SM_Compatible | SA::SM_Body).hasStreamingCompatibleInterface());
|
|
ASSERT_TRUE(SA(SA::SM_Compatible | SA::SM_Body).hasStreamingBody());
|
|
ASSERT_FALSE(SA(SA::SM_Compatible | SA::SM_Body).hasNonStreamingInterface());
|
|
|
|
// Test PSTATE.ZA interfaces.
|
|
ASSERT_FALSE(SA(SA::ZA_Shared).hasPrivateZAInterface());
|
|
ASSERT_TRUE(SA(SA::ZA_Shared).hasSharedZAInterface());
|
|
ASSERT_TRUE(SA(SA::ZA_Shared).sharesZA());
|
|
ASSERT_TRUE(SA(SA::ZA_Shared).hasZAState());
|
|
ASSERT_FALSE(SA(SA::ZA_Shared).preservesZA());
|
|
ASSERT_TRUE(SA(SA::ZA_Shared | SA::ZA_Preserved).preservesZA());
|
|
ASSERT_FALSE(SA(SA::ZA_Shared).sharesZT0());
|
|
ASSERT_FALSE(SA(SA::ZA_Shared).hasZT0State());
|
|
|
|
ASSERT_TRUE(SA(SA::ZA_New).hasPrivateZAInterface());
|
|
ASSERT_FALSE(SA(SA::ZA_New).hasSharedZAInterface());
|
|
ASSERT_TRUE(SA(SA::ZA_New).hasNewZABody());
|
|
ASSERT_TRUE(SA(SA::ZA_New).hasZAState());
|
|
ASSERT_FALSE(SA(SA::ZA_New).preservesZA());
|
|
ASSERT_FALSE(SA(SA::ZA_New).sharesZT0());
|
|
ASSERT_FALSE(SA(SA::ZA_New).hasZT0State());
|
|
|
|
ASSERT_TRUE(SA(SA::Normal).hasPrivateZAInterface());
|
|
ASSERT_FALSE(SA(SA::Normal).hasSharedZAInterface());
|
|
ASSERT_FALSE(SA(SA::Normal).hasNewZABody());
|
|
ASSERT_FALSE(SA(SA::Normal).hasZAState());
|
|
ASSERT_FALSE(SA(SA::Normal).preservesZA());
|
|
|
|
// Test ZT0 State interfaces
|
|
SA ZT0_In = SA(SA::encodeZT0State(SA::StateValue::In));
|
|
ASSERT_TRUE(ZT0_In.isInZT0());
|
|
ASSERT_FALSE(ZT0_In.isOutZT0());
|
|
ASSERT_FALSE(ZT0_In.isInOutZT0());
|
|
ASSERT_FALSE(ZT0_In.isPreservesZT0());
|
|
ASSERT_FALSE(ZT0_In.isNewZT0());
|
|
ASSERT_TRUE(ZT0_In.sharesZT0());
|
|
ASSERT_TRUE(ZT0_In.hasZT0State());
|
|
ASSERT_TRUE(ZT0_In.hasSharedZAInterface());
|
|
ASSERT_FALSE(ZT0_In.hasPrivateZAInterface());
|
|
|
|
SA ZT0_Out = SA(SA::encodeZT0State(SA::StateValue::Out));
|
|
ASSERT_TRUE(ZT0_Out.isOutZT0());
|
|
ASSERT_FALSE(ZT0_Out.isInZT0());
|
|
ASSERT_FALSE(ZT0_Out.isInOutZT0());
|
|
ASSERT_FALSE(ZT0_Out.isPreservesZT0());
|
|
ASSERT_FALSE(ZT0_Out.isNewZT0());
|
|
ASSERT_TRUE(ZT0_Out.sharesZT0());
|
|
ASSERT_TRUE(ZT0_Out.hasZT0State());
|
|
ASSERT_TRUE(ZT0_Out.hasSharedZAInterface());
|
|
ASSERT_FALSE(ZT0_Out.hasPrivateZAInterface());
|
|
|
|
SA ZT0_InOut = SA(SA::encodeZT0State(SA::StateValue::InOut));
|
|
ASSERT_TRUE(ZT0_InOut.isInOutZT0());
|
|
ASSERT_FALSE(ZT0_InOut.isInZT0());
|
|
ASSERT_FALSE(ZT0_InOut.isOutZT0());
|
|
ASSERT_FALSE(ZT0_InOut.isPreservesZT0());
|
|
ASSERT_FALSE(ZT0_InOut.isNewZT0());
|
|
ASSERT_TRUE(ZT0_InOut.sharesZT0());
|
|
ASSERT_TRUE(ZT0_InOut.hasZT0State());
|
|
ASSERT_TRUE(ZT0_InOut.hasSharedZAInterface());
|
|
ASSERT_FALSE(ZT0_InOut.hasPrivateZAInterface());
|
|
|
|
SA ZT0_Preserved = SA(SA::encodeZT0State(SA::StateValue::Preserved));
|
|
ASSERT_TRUE(ZT0_Preserved.isPreservesZT0());
|
|
ASSERT_FALSE(ZT0_Preserved.isInZT0());
|
|
ASSERT_FALSE(ZT0_Preserved.isOutZT0());
|
|
ASSERT_FALSE(ZT0_Preserved.isInOutZT0());
|
|
ASSERT_FALSE(ZT0_Preserved.isNewZT0());
|
|
ASSERT_TRUE(ZT0_Preserved.sharesZT0());
|
|
ASSERT_TRUE(ZT0_Preserved.hasZT0State());
|
|
ASSERT_TRUE(ZT0_Preserved.hasSharedZAInterface());
|
|
ASSERT_FALSE(ZT0_Preserved.hasPrivateZAInterface());
|
|
|
|
SA ZT0_New = SA(SA::encodeZT0State(SA::StateValue::New));
|
|
ASSERT_TRUE(ZT0_New.isNewZT0());
|
|
ASSERT_FALSE(ZT0_New.isInZT0());
|
|
ASSERT_FALSE(ZT0_New.isOutZT0());
|
|
ASSERT_FALSE(ZT0_New.isInOutZT0());
|
|
ASSERT_FALSE(ZT0_New.isPreservesZT0());
|
|
ASSERT_FALSE(ZT0_New.sharesZT0());
|
|
ASSERT_TRUE(ZT0_New.hasZT0State());
|
|
ASSERT_FALSE(ZT0_New.hasSharedZAInterface());
|
|
ASSERT_TRUE(ZT0_New.hasPrivateZAInterface());
|
|
|
|
ASSERT_FALSE(SA(SA::Normal).isInZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).isOutZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).isInOutZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).isPreservesZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).isNewZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).sharesZT0());
|
|
ASSERT_FALSE(SA(SA::Normal).hasZT0State());
|
|
}
|
|
|
|
TEST(SMEAttributes, Transitions) {
|
|
// Normal -> Normal
|
|
ASSERT_FALSE(SA(SA::Normal).requiresSMChange(SA(SA::Normal)));
|
|
ASSERT_FALSE(SA(SA::Normal).requiresPreservingZT0(SA(SA::Normal)));
|
|
ASSERT_FALSE(SA(SA::Normal).requiresDisablingZABeforeCall(SA(SA::Normal)));
|
|
ASSERT_FALSE(SA(SA::Normal).requiresEnablingZAAfterCall(SA(SA::Normal)));
|
|
// Normal -> Normal + LocallyStreaming
|
|
ASSERT_FALSE(SA(SA::Normal).requiresSMChange(SA(SA::Normal | SA::SM_Body)));
|
|
|
|
// Normal -> Streaming
|
|
ASSERT_TRUE(SA(SA::Normal).requiresSMChange(SA(SA::SM_Enabled)));
|
|
// Normal -> Streaming + LocallyStreaming
|
|
ASSERT_TRUE(
|
|
SA(SA::Normal).requiresSMChange(SA(SA::SM_Enabled | SA::SM_Body)));
|
|
|
|
// Normal -> Streaming-compatible
|
|
ASSERT_FALSE(SA(SA::Normal).requiresSMChange(SA(SA::SM_Compatible)));
|
|
// Normal -> Streaming-compatible + LocallyStreaming
|
|
ASSERT_FALSE(
|
|
SA(SA::Normal).requiresSMChange(SA(SA::SM_Compatible | SA::SM_Body)));
|
|
|
|
// Streaming -> Normal
|
|
ASSERT_TRUE(SA(SA::SM_Enabled).requiresSMChange(SA(SA::Normal)));
|
|
// Streaming -> Normal + LocallyStreaming
|
|
ASSERT_TRUE(
|
|
SA(SA::SM_Enabled).requiresSMChange(SA(SA::Normal | SA::SM_Body)));
|
|
|
|
// Streaming -> Streaming
|
|
ASSERT_FALSE(SA(SA::SM_Enabled).requiresSMChange(SA(SA::SM_Enabled)));
|
|
// Streaming -> Streaming + LocallyStreaming
|
|
ASSERT_FALSE(
|
|
SA(SA::SM_Enabled).requiresSMChange(SA(SA::SM_Enabled | SA::SM_Body)));
|
|
|
|
// Streaming -> Streaming-compatible
|
|
ASSERT_FALSE(SA(SA::SM_Enabled).requiresSMChange(SA(SA::SM_Compatible)));
|
|
// Streaming -> Streaming-compatible + LocallyStreaming
|
|
ASSERT_FALSE(
|
|
SA(SA::SM_Enabled).requiresSMChange(SA(SA::SM_Compatible | SA::SM_Body)));
|
|
|
|
// Streaming-compatible -> Normal
|
|
ASSERT_TRUE(SA(SA::SM_Compatible).requiresSMChange(SA(SA::Normal)));
|
|
ASSERT_TRUE(
|
|
SA(SA::SM_Compatible).requiresSMChange(SA(SA::Normal | SA::SM_Body)));
|
|
|
|
// Streaming-compatible -> Streaming
|
|
ASSERT_TRUE(SA(SA::SM_Compatible).requiresSMChange(SA(SA::SM_Enabled)));
|
|
// Streaming-compatible -> Streaming + LocallyStreaming
|
|
ASSERT_TRUE(
|
|
SA(SA::SM_Compatible).requiresSMChange(SA(SA::SM_Enabled | SA::SM_Body)));
|
|
|
|
// Streaming-compatible -> Streaming-compatible
|
|
ASSERT_FALSE(SA(SA::SM_Compatible).requiresSMChange(SA(SA::SM_Compatible)));
|
|
// Streaming-compatible -> Streaming-compatible + LocallyStreaming
|
|
ASSERT_FALSE(SA(SA::SM_Compatible)
|
|
.requiresSMChange(SA(SA::SM_Compatible | SA::SM_Body)));
|
|
|
|
SA Private_ZA = SA(SA::Normal);
|
|
SA ZA_Shared = SA(SA::ZA_Shared);
|
|
SA ZT0_Shared = SA(SA::encodeZT0State(SA::StateValue::In));
|
|
SA ZA_ZT0_Shared = SA(SA::ZA_Shared | SA::encodeZT0State(SA::StateValue::In));
|
|
|
|
// Shared ZA -> Private ZA Interface
|
|
ASSERT_FALSE(ZA_Shared.requiresDisablingZABeforeCall(Private_ZA));
|
|
ASSERT_TRUE(ZA_Shared.requiresEnablingZAAfterCall(Private_ZA));
|
|
|
|
// Shared ZT0 -> Private ZA Interface
|
|
ASSERT_TRUE(ZT0_Shared.requiresDisablingZABeforeCall(Private_ZA));
|
|
ASSERT_TRUE(ZT0_Shared.requiresPreservingZT0(Private_ZA));
|
|
ASSERT_TRUE(ZT0_Shared.requiresEnablingZAAfterCall(Private_ZA));
|
|
|
|
// Shared ZA & ZT0 -> Private ZA Interface
|
|
ASSERT_FALSE(ZA_ZT0_Shared.requiresDisablingZABeforeCall(Private_ZA));
|
|
ASSERT_TRUE(ZA_ZT0_Shared.requiresPreservingZT0(Private_ZA));
|
|
ASSERT_TRUE(ZA_ZT0_Shared.requiresEnablingZAAfterCall(Private_ZA));
|
|
|
|
// Shared ZA -> Shared ZA Interface
|
|
ASSERT_FALSE(ZA_Shared.requiresDisablingZABeforeCall(ZT0_Shared));
|
|
ASSERT_FALSE(ZA_Shared.requiresEnablingZAAfterCall(ZT0_Shared));
|
|
|
|
// Shared ZT0 -> Shared ZA Interface
|
|
ASSERT_FALSE(ZT0_Shared.requiresDisablingZABeforeCall(ZT0_Shared));
|
|
ASSERT_FALSE(ZT0_Shared.requiresPreservingZT0(ZT0_Shared));
|
|
ASSERT_FALSE(ZT0_Shared.requiresEnablingZAAfterCall(ZT0_Shared));
|
|
|
|
// Shared ZA & ZT0 -> Shared ZA Interface
|
|
ASSERT_FALSE(ZA_ZT0_Shared.requiresDisablingZABeforeCall(ZT0_Shared));
|
|
ASSERT_FALSE(ZA_ZT0_Shared.requiresPreservingZT0(ZT0_Shared));
|
|
ASSERT_FALSE(ZA_ZT0_Shared.requiresEnablingZAAfterCall(ZT0_Shared));
|
|
}
|