[clang] [llvm] [AIX] support builtin_cpu_is() for aix (PR #80069)
zhijian lin via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 12 10:24:38 PST 2024
https://github.com/diggerlin updated https://github.com/llvm/llvm-project/pull/80069
>From a82a60e3af041f50b833d241a284e09a883e849a Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Tue, 30 Jan 2024 15:13:39 -0500
Subject: [PATCH 1/2] support builtin_cpu_is() for aix
---
.../clang/Basic/DiagnosticSemaKinds.td | 2 +
clang/lib/Basic/Targets/PPC.cpp | 13 ++-
clang/lib/Basic/Targets/PPC.h | 12 ++-
clang/lib/CodeGen/CGBuiltin.cpp | 57 ++++++++++++-
clang/lib/Sema/SemaChecking.cpp | 5 +-
clang/test/CodeGen/aix-builtin-cpu-is.c | 83 +++++++++++++++++++
clang/test/Sema/aix-builtin-cpu-unsupports.c | 6 ++
.../llvm/TargetParser/PPCTargetParser.def | 53 ++++++++++++
8 files changed, 225 insertions(+), 6 deletions(-)
create mode 100644 clang/test/CodeGen/aix-builtin-cpu-is.c
create mode 100644 clang/test/Sema/aix-builtin-cpu-unsupports.c
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 1c0ebbe4e68343..139a90a3020684 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -10347,6 +10347,8 @@ def err_x86_builtin_tile_arg_duplicate : Error<
def err_builtin_target_unsupported : Error<
"builtin is not supported on this target">;
+def err_builtin_aix_os_unsupported : Error<
+ "this builtin is available only in AIX 7.2 and later operating systems">;
def err_builtin_longjmp_unsupported : Error<
"__builtin_longjmp is not supported for the current target">;
def err_builtin_setjmp_unsupported : Error<
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 8c891ccdeb59d4..c9cf7435334402 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -904,8 +904,17 @@ bool PPCTargetInfo::validateCpuSupports(StringRef FeatureStr) const {
}
bool PPCTargetInfo::validateCpuIs(StringRef CPUName) const {
+ llvm::Triple Triple = getTriple();
+ if (Triple.isOSLinux()) {
#define PPC_LNX_CPU(NAME, NUM) .Case(NAME, true)
- return llvm::StringSwitch<bool>(CPUName)
+ return llvm::StringSwitch<bool>(CPUName)
#include "llvm/TargetParser/PPCTargetParser.def"
- .Default(false);
+ .Default(false);
+ } else if (Triple.isOSAIX()) {
+#define PPC_AIX_CPU(NAME, SUPPORT, INDEX, MASK, OP, VALUE) .Case(NAME, true)
+ return llvm::StringSwitch<bool>(CPUName)
+#include "llvm/TargetParser/PPCTargetParser.def"
+ .Default(false);
+ }
+ return false;
}
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index a91bdede53e40d..5f92c80d15c0fa 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -362,8 +362,18 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
// We support __builtin_cpu_supports/__builtin_cpu_is on targets that
// have Glibc since it is Glibc that provides the HWCAP[2] in the auxv.
+#define MINIMUM_AIX_OS_MAJOR 7
+#define MINIMUM_AIX_OS_MINOR 2
bool supportsCpuSupports() const override { return getTriple().isOSGlibc(); }
- bool supportsCpuIs() const override { return getTriple().isOSGlibc(); }
+ bool supportsCpuIs() const override {
+ llvm::Triple Tri = getTriple();
+ // The AIX7.2 is mininum requirement to support __builtin_cpu_is().
+ return Tri.isOSGlibc() ||
+ (Tri.isOSAIX() &&
+ !Tri.isOSVersionLT(MINIMUM_AIX_OS_MAJOR, MINIMUM_AIX_OS_MINOR));
+ }
+#undef MINIMUM_AIX_OS_MAJOR
+#undef MINIMUM_AIX_OS_MINOR
bool validateCpuSupports(StringRef Feature) const override;
bool validateCpuIs(StringRef Name) const override;
};
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index f3ab5ad7b08ec8..bab5b144275fd8 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -16542,22 +16542,75 @@ Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
Intrinsic::ID ID = Intrinsic::not_intrinsic;
+#include "llvm/TargetParser/PPCTargetParser.def"
+ auto GetOpRes = [&](Value *FieldValue, unsigned Mask, unsigned Op,
+ unsigned Op_Value) -> Value * {
+ Value *Value1 = FieldValue;
+ if (Mask)
+ Value1 = Builder.CreateAnd(Value1, Mask);
+ assert((Op == OP_EQ) && "Only support equal comparision");
+ return Builder.CreateICmp(ICmpInst::ICMP_EQ, FieldValue,
+ ConstantInt::get(Int32Ty, Op_Value));
+ };
+
+ auto ConvBuiltinCpu = [&](unsigned SupportOP, unsigned FieldIdx,
+ unsigned Op_Mask, unsigned Op,
+ unsigned Op_Value) -> Value * {
+ if (SupportOP == AIX_BUILTIN_PPC_FALSE)
+ return llvm::ConstantInt::getFalse(ConvertType(E->getType()));
+
+ if (SupportOP == AIX_BUILTIN_PPC_TRUE)
+ return llvm::ConstantInt::getTrue(ConvertType(E->getType()));
+
+ assert(SupportOP <= COMP_OP && "Invalid value for SupportOP.");
+ llvm::Type *STy = llvm::StructType::get(PPC_SYSTEMCONFIG_TYPE);
+
+ llvm::Constant *SysConf =
+ CGM.CreateRuntimeVariable(STy, "_system_configuration");
+
+ // Grab the appropriate field from _system_configuration.
+ llvm::Value *Idxs[] = {ConstantInt::get(Int32Ty, 0),
+ ConstantInt::get(Int32Ty, FieldIdx)};
+
+ llvm::Value *FieldValue = Builder.CreateGEP(STy, SysConf, Idxs);
+ FieldValue = Builder.CreateAlignedLoad(Int32Ty, FieldValue,
+ CharUnits::fromQuantity(4));
+
+ return GetOpRes(FieldValue, Op_Mask, Op, Op_Value);
+ };
+
switch (BuiltinID) {
default: return nullptr;
case Builtin::BI__builtin_cpu_is: {
const Expr *CPUExpr = E->getArg(0)->IgnoreParenCasts();
StringRef CPUStr = cast<clang::StringLiteral>(CPUExpr)->getString();
- unsigned NumCPUID = StringSwitch<unsigned>(CPUStr)
+ llvm::Triple Triple = getTarget().getTriple();
+ if (Triple.isOSLinux()) {
+ unsigned NumCPUID = StringSwitch<unsigned>(CPUStr)
#define PPC_LNX_CPU(Name, NumericID) .Case(Name, NumericID)
#include "llvm/TargetParser/PPCTargetParser.def"
- .Default(-1U);
+ .Default(-1U);
assert(NumCPUID < -1U && "Invalid CPU name. Missed by SemaChecking?");
Value *Op0 = llvm::ConstantInt::get(Int32Ty, PPC_FAWORD_CPUID);
llvm::Function *F = CGM.getIntrinsic(Intrinsic::ppc_fixed_addr_ld);
Value *TheCall = Builder.CreateCall(F, {Op0}, "cpu_is");
return Builder.CreateICmpEQ(TheCall,
llvm::ConstantInt::get(Int32Ty, NumCPUID));
+ } else if (Triple.isOSAIX()) {
+ unsigned IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp, CpuIdValue;
+ typedef std::tuple<unsigned, unsigned, unsigned, unsigned, unsigned>
+ CPUType;
+ std::tie(IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp, CpuIdValue) =
+ static_cast<CPUType>(StringSwitch<CPUType>(CPUStr)
+#define PPC_AIX_CPU(NAME, SUPPORT, MASK, INDEX, OP, VALUE) \
+ .Case(NAME, {SUPPORT, MASK, INDEX, OP, VALUE})
+#include "llvm/TargetParser/PPCTargetParser.def"
+ );
+ return ConvBuiltinCpu(IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp,
+ CpuIdValue);
+ }
+ LLVM_FALLTHROUGH;
}
case Builtin::BI__builtin_cpu_supports: {
unsigned FeatureWord;
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 502b24bcdf8b42..a2d3e8133a449e 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -2165,7 +2165,10 @@ static bool SemaBuiltinCpu(Sema &S, const TargetInfo &TI, CallExpr *TheCall,
return S.Diag(TheCall->getBeginLoc(), diag::err_builtin_target_unsupported)
<< SourceRange(TheCall->getBeginLoc(), TheCall->getEndLoc());
if (!IsCPUSupports && !TheTI->supportsCpuIs())
- return S.Diag(TheCall->getBeginLoc(), diag::err_builtin_target_unsupported)
+ return S.Diag(TheCall->getBeginLoc(),
+ TI.getTriple().isOSAIX()
+ ? diag::err_builtin_aix_os_unsupported
+ : diag::err_builtin_target_unsupported)
<< SourceRange(TheCall->getBeginLoc(), TheCall->getEndLoc());
Expr *Arg = TheCall->getArg(0)->IgnoreParenImpCasts();
diff --git a/clang/test/CodeGen/aix-builtin-cpu-is.c b/clang/test/CodeGen/aix-builtin-cpu-is.c
new file mode 100644
index 00000000000000..87864ba5e2ef01
--- /dev/null
+++ b/clang/test/CodeGen/aix-builtin-cpu-is.c
@@ -0,0 +1,83 @@
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc970\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc-cell-be\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppca2\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc405\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc440\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc464\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"ppc476\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefix=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power4\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefixes=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power5\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefixes=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power5+\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefixes=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power6\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefixes=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power6x\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
+// RUN: --check-prefixes=CHECKBOOL
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power7\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=32768 \
+// RUN: --check-prefixes=CHECKOP
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power8\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=65536 \
+// RUN: --check-prefixes=CHECKOP
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power9\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=131072\
+// RUN: --check-prefixes=CHECKOP
+
+// RUN: echo "int main() { return __builtin_cpu_is(\"power10\");}" > %t.c
+// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=262144 \
+// RUN: --check-prefixes=CHECKOP
+
+// CHECKBOOL: define i32 @main() #0 {
+// CHECKBOOL-NEXT: entry:
+// CHECKBOOL-NEXT: %retval = alloca i32, align 4
+// CHECKBOOL-NEXT: store i32 0, ptr %retval, align 4
+// CHECKBOOL-NEXT: ret i32 0
+// CHECKBOOL-NEXT: }
+
+// CHECKOP: @_system_configuration = external global { i32, i32, i32 }
+// CHECKOP: define i32 @main() #0 {
+// CHECKOP-NEXT: entry:
+// CHECKOP-NEXT: %retval = alloca i32, align 4
+// CHECKOP-NEXT: store i32 0, ptr %retval, align 4
+// CHECKOP-NEXT: %0 = load i32, ptr getelementptr inbounds ({ i32, i32, i32 }, ptr @_system_configuration, i32 0, i32 1), align 4
+// CHECKOP-NEXT: %1 = icmp eq i32 %0, [[VALUE]]
+// CHECKOP-NEXT: %conv = zext i1 %1 to i32
+// CHECKOP-NEXT: ret i32 %conv
+// CHECKOP-NEXT: }
+
+
diff --git a/clang/test/Sema/aix-builtin-cpu-unsupports.c b/clang/test/Sema/aix-builtin-cpu-unsupports.c
new file mode 100644
index 00000000000000..2f07ac0f02e2ff
--- /dev/null
+++ b/clang/test/Sema/aix-builtin-cpu-unsupports.c
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -fsyntax-only -triple powerpc-ibm-aix7.1.0.0 -verify %s
+
+int main(void) {
+ if (__builtin_cpu_is("power8")) // expected-error {{this builtin is available only in AIX 7.2 and later operating systems}}
+ return 1;
+}
diff --git a/llvm/include/llvm/TargetParser/PPCTargetParser.def b/llvm/include/llvm/TargetParser/PPCTargetParser.def
index f2c44b46fa6730..d4f10b4d1fe9e1 100644
--- a/llvm/include/llvm/TargetParser/PPCTargetParser.def
+++ b/llvm/include/llvm/TargetParser/PPCTargetParser.def
@@ -126,4 +126,57 @@ PPC_LNX_CPU("power10",47)
#undef PPC_LNX_DEFINE_OFFSETS
#undef PPC_LNX_FEATURE
#undef PPC_LNX_CPU
+
+// Definition of following value are found in the AIX header file <systemcfg.h>
+#ifndef AIX_POWERPC_SYS_CONF
+#define AIX_POWERPC_SYS_CONF
+#define AIX_SYSCON_IMPL_IDX 1
+#define AIX_PPC7_VALUE 0x00008000
+#define AIX_PPC8_VALUE 0x00010000
+#define AIX_PPC9_VALUE 0x00020000
+#define AIX_PPC10_VALUE 0x00040000
+
+#define AIX_BUILTIN_PPC_TRUE 1
+#define AIX_BUILTIN_PPC_FALSE 0
+#define COMP_OP 2
+
+#define OP_EQ 0
+
+#endif
+
+//The value of SUPPORT is COMP_OP, it means the feature depend on the V(INDEX)&MASK OP VALUE
+//If the value of MASK is zero, it means we do not need to do mask, just check V(INDEX) OP VALUE.
+
+#ifndef PPC_AIX_CPU
+#define PPC_AIX_CPU(NAME, SUPPORT, INDEX, MASK, OP, VALUE)
+#endif
+
+//Since the __builtin_cpu_is() is supported only on AIX7.2 or AIX7.2 later OS.
+//And AIX 7.2 is supported only on IBM POWER 7 and later processors.
+//The __builtin_cpu_is() function returns false for other CPUs which are not Power7 and Power7 up.
+
+PPC_AIX_CPU("power4",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc970",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power5",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power5+",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power6",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc-cell-be",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power6x",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power7",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC7_VALUE)
+PPC_AIX_CPU("ppca2",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc405",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc440",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc464",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("ppc476",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
+PPC_AIX_CPU("power8",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC8_VALUE)
+PPC_AIX_CPU("power9",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC9_VALUE)
+PPC_AIX_CPU("power10",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC10_VALUE)
+#undef PPC_AIX_CPU
+
+#ifndef PPC_SYSTEMCONFIG_TYPE
+#define PPC_SYSTEMCONFIG_TYPE \
+Int32Ty, Int32Ty, Int32Ty
+#endif
+
+
#endif // !PPC_TGT_PARSER_UNDEF_MACROS
>From 6dfd52865878e9dc46060e3557e3e4125bc1c202 Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Mon, 12 Feb 2024 13:24:27 -0500
Subject: [PATCH 2/2] address comment
---
.../clang/Basic/DiagnosticSemaKinds.td | 2 +-
clang/lib/Basic/Targets/PPC.cpp | 10 +--
clang/lib/Basic/Targets/PPC.h | 16 ++---
clang/lib/CodeGen/CGBuiltin.cpp | 67 +++++++++----------
clang/test/CodeGen/aix-builtin-cpu-is.c | 36 +++++-----
clang/test/Sema/aix-builtin-cpu-unsupports.c | 2 +-
.../llvm/TargetParser/PPCTargetParser.def | 64 +++++++++---------
7 files changed, 96 insertions(+), 101 deletions(-)
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 139a90a3020684..2176854568042a 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -10348,7 +10348,7 @@ def err_x86_builtin_tile_arg_duplicate : Error<
def err_builtin_target_unsupported : Error<
"builtin is not supported on this target">;
def err_builtin_aix_os_unsupported : Error<
- "this builtin is available only in AIX 7.2 and later operating systems">;
+ "this builtin is available only on AIX 7.2 and later operating systems">;
def err_builtin_longjmp_unsupported : Error<
"__builtin_longjmp is not supported for the current target">;
def err_builtin_setjmp_unsupported : Error<
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index c9cf7435334402..1aff5aa5274575 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -905,13 +905,15 @@ bool PPCTargetInfo::validateCpuSupports(StringRef FeatureStr) const {
bool PPCTargetInfo::validateCpuIs(StringRef CPUName) const {
llvm::Triple Triple = getTriple();
- if (Triple.isOSLinux()) {
-#define PPC_LNX_CPU(NAME, NUM) .Case(NAME, true)
+ if (Triple.isOSAIX()) {
+#define PPC_AIX_CPU(NAME, SUPPORT, INDEX, OP, VALUE) .Case(NAME, true)
return llvm::StringSwitch<bool>(CPUName)
#include "llvm/TargetParser/PPCTargetParser.def"
.Default(false);
- } else if (Triple.isOSAIX()) {
-#define PPC_AIX_CPU(NAME, SUPPORT, INDEX, MASK, OP, VALUE) .Case(NAME, true)
+ }
+
+ if (Triple.isOSLinux()) {
+#define PPC_LNX_CPU(NAME, NUM) .Case(NAME, true)
return llvm::StringSwitch<bool>(CPUName)
#include "llvm/TargetParser/PPCTargetParser.def"
.Default(false);
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index 5f92c80d15c0fa..70683916a8b04f 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -362,18 +362,16 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
// We support __builtin_cpu_supports/__builtin_cpu_is on targets that
// have Glibc since it is Glibc that provides the HWCAP[2] in the auxv.
-#define MINIMUM_AIX_OS_MAJOR 7
-#define MINIMUM_AIX_OS_MINOR 2
+ static constexpr int MINIMUM_AIX_OS_MAJOR = 7;
+ static constexpr int MINIMUM_AIX_OS_MINOR = 2;
bool supportsCpuSupports() const override { return getTriple().isOSGlibc(); }
bool supportsCpuIs() const override {
- llvm::Triple Tri = getTriple();
- // The AIX7.2 is mininum requirement to support __builtin_cpu_is().
- return Tri.isOSGlibc() ||
- (Tri.isOSAIX() &&
- !Tri.isOSVersionLT(MINIMUM_AIX_OS_MAJOR, MINIMUM_AIX_OS_MINOR));
+ llvm::Triple Triple = getTriple();
+ // AIX 7.2 is the minimum requirement to support __builtin_cpu_is().
+ return Triple.isOSGlibc() ||
+ (Triple.isOSAIX() &&
+ !Triple.isOSVersionLT(MINIMUM_AIX_OS_MAJOR, MINIMUM_AIX_OS_MINOR));
}
-#undef MINIMUM_AIX_OS_MAJOR
-#undef MINIMUM_AIX_OS_MINOR
bool validateCpuSupports(StringRef Feature) const override;
bool validateCpuIs(StringRef Name) const override;
};
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index bab5b144275fd8..a7afbdce58b167 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -16542,27 +16542,20 @@ Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
Intrinsic::ID ID = Intrinsic::not_intrinsic;
-#include "llvm/TargetParser/PPCTargetParser.def"
- auto GetOpRes = [&](Value *FieldValue, unsigned Mask, unsigned Op,
- unsigned Op_Value) -> Value * {
- Value *Value1 = FieldValue;
- if (Mask)
- Value1 = Builder.CreateAnd(Value1, Mask);
- assert((Op == OP_EQ) && "Only support equal comparision");
- return Builder.CreateICmp(ICmpInst::ICMP_EQ, FieldValue,
- ConstantInt::get(Int32Ty, Op_Value));
- };
+ // The lambda function converts builtin_cpu_is function into directly
+ // returning false or true, or it gets and checks the information from the
+ // kernel variable _system_configuration for AIX OS.
- auto ConvBuiltinCpu = [&](unsigned SupportOP, unsigned FieldIdx,
- unsigned Op_Mask, unsigned Op,
- unsigned Op_Value) -> Value * {
- if (SupportOP == AIX_BUILTIN_PPC_FALSE)
+#include "llvm/TargetParser/PPCTargetParser.def"
+ auto ConvBuiltinCpu = [&](unsigned SupportMagic, unsigned FieldIdx,
+ unsigned CompOp, unsigned OpValue) -> Value * {
+ if (SupportMagic == AIX_BUILTIN_PPC_FALSE)
return llvm::ConstantInt::getFalse(ConvertType(E->getType()));
- if (SupportOP == AIX_BUILTIN_PPC_TRUE)
+ if (SupportMagic == AIX_BUILTIN_PPC_TRUE)
return llvm::ConstantInt::getTrue(ConvertType(E->getType()));
- assert(SupportOP <= COMP_OP && "Invalid value for SupportOP.");
+ assert(SupportMagic <= SYS_CONF && "Invalid value for SupportMagic.");
llvm::Type *STy = llvm::StructType::get(PPC_SYSTEMCONFIG_TYPE);
llvm::Constant *SysConf =
@@ -16576,7 +16569,13 @@ Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
FieldValue = Builder.CreateAlignedLoad(Int32Ty, FieldValue,
CharUnits::fromQuantity(4));
- return GetOpRes(FieldValue, Op_Mask, Op, Op_Value);
+ assert((CompOp == COMP_EQ) && "Only equal comparisons are supported!");
+
+ assert(FieldValue->getType()->isIntegerTy(32) &&
+ "Only supports 32-bit integer in the GetOpRes.");
+
+ return Builder.CreateICmp(ICmpInst::ICMP_EQ, FieldValue,
+ ConstantInt::get(Int32Ty, OpValue));
};
switch (BuiltinID) {
@@ -16586,31 +16585,31 @@ Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID,
const Expr *CPUExpr = E->getArg(0)->IgnoreParenCasts();
StringRef CPUStr = cast<clang::StringLiteral>(CPUExpr)->getString();
llvm::Triple Triple = getTarget().getTriple();
- if (Triple.isOSLinux()) {
- unsigned NumCPUID = StringSwitch<unsigned>(CPUStr)
+
+ if (Triple.isOSAIX()) {
+ unsigned IsCpuSupport, FieldIdx, CompareOp, CpuIdValue;
+ typedef std::tuple<unsigned, unsigned, unsigned, unsigned> CPUType;
+ std::tie(IsCpuSupport, FieldIdx, CompareOp, CpuIdValue) =
+ static_cast<CPUType>(StringSwitch<CPUType>(CPUStr)
+#define PPC_AIX_CPU(NAME, SUPPORT_MAGIC, INDEX, COMPARE_OP, VALUE) \
+ .Case(NAME, {SUPPORT_MAGIC, INDEX, COMPARE_OP, VALUE})
+#include "llvm/TargetParser/PPCTargetParser.def"
+ );
+ return ConvBuiltinCpu(IsCpuSupport, FieldIdx, CompareOp, CpuIdValue);
+ }
+
+ assert(Triple.isOSLinux() && "Triple for AIX OS has already been checked; "
+ "it must be Linux OS here.");
+ unsigned NumCPUID = StringSwitch<unsigned>(CPUStr)
#define PPC_LNX_CPU(Name, NumericID) .Case(Name, NumericID)
#include "llvm/TargetParser/PPCTargetParser.def"
- .Default(-1U);
+ .Default(-1U);
assert(NumCPUID < -1U && "Invalid CPU name. Missed by SemaChecking?");
Value *Op0 = llvm::ConstantInt::get(Int32Ty, PPC_FAWORD_CPUID);
llvm::Function *F = CGM.getIntrinsic(Intrinsic::ppc_fixed_addr_ld);
Value *TheCall = Builder.CreateCall(F, {Op0}, "cpu_is");
return Builder.CreateICmpEQ(TheCall,
llvm::ConstantInt::get(Int32Ty, NumCPUID));
- } else if (Triple.isOSAIX()) {
- unsigned IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp, CpuIdValue;
- typedef std::tuple<unsigned, unsigned, unsigned, unsigned, unsigned>
- CPUType;
- std::tie(IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp, CpuIdValue) =
- static_cast<CPUType>(StringSwitch<CPUType>(CPUStr)
-#define PPC_AIX_CPU(NAME, SUPPORT, MASK, INDEX, OP, VALUE) \
- .Case(NAME, {SUPPORT, MASK, INDEX, OP, VALUE})
-#include "llvm/TargetParser/PPCTargetParser.def"
- );
- return ConvBuiltinCpu(IsCpuSupport, FieldIdx, CpuIdMask, CpuIdOp,
- CpuIdValue);
- }
- LLVM_FALLTHROUGH;
}
case Builtin::BI__builtin_cpu_supports: {
unsigned FeatureWord;
diff --git a/clang/test/CodeGen/aix-builtin-cpu-is.c b/clang/test/CodeGen/aix-builtin-cpu-is.c
index 87864ba5e2ef01..97ce5d958e67f6 100644
--- a/clang/test/CodeGen/aix-builtin-cpu-is.c
+++ b/clang/test/CodeGen/aix-builtin-cpu-is.c
@@ -1,50 +1,50 @@
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc970\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc-cell-be\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppca2\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc405\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc440\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc464\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"ppc476\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefix=CHECKBOOL
+// RUN: --check-prefix=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power4\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefixes=CHECKBOOL
+// RUN: --check-prefixes=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power5\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefixes=CHECKBOOL
+// RUN: --check-prefixes=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power5+\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefixes=CHECKBOOL
+// RUN: --check-prefixes=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power6\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefixes=CHECKBOOL
+// RUN: --check-prefixes=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power6x\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s \
-// RUN: --check-prefixes=CHECKBOOL
+// RUN: --check-prefixes=DIRECT-RET
// RUN: echo "int main() { return __builtin_cpu_is(\"power7\");}" > %t.c
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=32768 \
@@ -62,12 +62,12 @@
// RUN: %clang_cc1 -triple powerpc-ibm-aix7.2.0.0 -emit-llvm -o - %t.c | FileCheck %s -DVALUE=262144 \
// RUN: --check-prefixes=CHECKOP
-// CHECKBOOL: define i32 @main() #0 {
-// CHECKBOOL-NEXT: entry:
-// CHECKBOOL-NEXT: %retval = alloca i32, align 4
-// CHECKBOOL-NEXT: store i32 0, ptr %retval, align 4
-// CHECKBOOL-NEXT: ret i32 0
-// CHECKBOOL-NEXT: }
+// DIRECT-RET: define i32 @main() #0 {
+// DIRECT-RET-NEXT: entry:
+// DIRECT-RET-NEXT: %retval = alloca i32, align 4
+// DIRECT-RET-NEXT: store i32 0, ptr %retval, align 4
+// DIRECT-RET-NEXT: ret i32 0
+// DIRECT-RET-NEXT: }
// CHECKOP: @_system_configuration = external global { i32, i32, i32 }
// CHECKOP: define i32 @main() #0 {
diff --git a/clang/test/Sema/aix-builtin-cpu-unsupports.c b/clang/test/Sema/aix-builtin-cpu-unsupports.c
index 2f07ac0f02e2ff..10e21867c39373 100644
--- a/clang/test/Sema/aix-builtin-cpu-unsupports.c
+++ b/clang/test/Sema/aix-builtin-cpu-unsupports.c
@@ -1,6 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -triple powerpc-ibm-aix7.1.0.0 -verify %s
int main(void) {
- if (__builtin_cpu_is("power8")) // expected-error {{this builtin is available only in AIX 7.2 and later operating systems}}
+ if (__builtin_cpu_is("power8")) // expected-error {{this builtin is available only on AIX 7.2 and later operating systems}}
return 1;
}
diff --git a/llvm/include/llvm/TargetParser/PPCTargetParser.def b/llvm/include/llvm/TargetParser/PPCTargetParser.def
index d4f10b4d1fe9e1..fc6f2956a79b66 100644
--- a/llvm/include/llvm/TargetParser/PPCTargetParser.def
+++ b/llvm/include/llvm/TargetParser/PPCTargetParser.def
@@ -127,50 +127,46 @@ PPC_LNX_CPU("power10",47)
#undef PPC_LNX_FEATURE
#undef PPC_LNX_CPU
-// Definition of following value are found in the AIX header file <systemcfg.h>
+// Definition of the following values are found in the AIX header file: <systemcfg.h>.
#ifndef AIX_POWERPC_SYS_CONF
#define AIX_POWERPC_SYS_CONF
-#define AIX_SYSCON_IMPL_IDX 1
-#define AIX_PPC7_VALUE 0x00008000
-#define AIX_PPC8_VALUE 0x00010000
-#define AIX_PPC9_VALUE 0x00020000
-#define AIX_PPC10_VALUE 0x00040000
+ #define AIX_SYSCON_IMPL_IDX 1
+ #define AIX_PPC7_VALUE 0x00008000
+ #define AIX_PPC8_VALUE 0x00010000
+ #define AIX_PPC9_VALUE 0x00020000
+ #define AIX_PPC10_VALUE 0x00040000
-#define AIX_BUILTIN_PPC_TRUE 1
-#define AIX_BUILTIN_PPC_FALSE 0
-#define COMP_OP 2
+ #define AIX_BUILTIN_PPC_TRUE 1
+ #define AIX_BUILTIN_PPC_FALSE 0
+ #define SYS_CONF 2
-#define OP_EQ 0
+ #define COMP_EQ 0
#endif
-//The value of SUPPORT is COMP_OP, it means the feature depend on the V(INDEX)&MASK OP VALUE
-//If the value of MASK is zero, it means we do not need to do mask, just check V(INDEX) OP VALUE.
-
+// When the value of SUPPORT_MAGIC is SYS_CONF, the return value depends on the
+// _system_configuration[INDEX] COMPARE_OP VALUE.
#ifndef PPC_AIX_CPU
-#define PPC_AIX_CPU(NAME, SUPPORT, INDEX, MASK, OP, VALUE)
+ #define PPC_AIX_CPU(NAME, SUPPORT_MAGIC, INDEX, COMPARE_OP, VALUE)
#endif
-//Since the __builtin_cpu_is() is supported only on AIX7.2 or AIX7.2 later OS.
-//And AIX 7.2 is supported only on IBM POWER 7 and later processors.
-//The __builtin_cpu_is() function returns false for other CPUs which are not Power7 and Power7 up.
-
-PPC_AIX_CPU("power4",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc970",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power5",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power5+",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power6",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc-cell-be",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power6x",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power7",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC7_VALUE)
-PPC_AIX_CPU("ppca2",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc405",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc440",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc464",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("ppc476",AIX_BUILTIN_PPC_FALSE,0,0,0,0)
-PPC_AIX_CPU("power8",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC8_VALUE)
-PPC_AIX_CPU("power9",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC9_VALUE)
-PPC_AIX_CPU("power10",COMP_OP,AIX_SYSCON_IMPL_IDX,0,OP_EQ,AIX_PPC10_VALUE)
+// __builtin_cpu_is() is supported only on Power7 and up.
+PPC_AIX_CPU("power4",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc970",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power5",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power5+",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power6",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc-cell-be",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power6x",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power7",SYS_CONF,AIX_SYSCON_IMPL_IDX,COMP_EQ,AIX_PPC7_VALUE)
+PPC_AIX_CPU("ppca2",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc405",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc440",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc464",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("ppc476",AIX_BUILTIN_PPC_FALSE,0,0,0)
+PPC_AIX_CPU("power8",SYS_CONF,AIX_SYSCON_IMPL_IDX,COMP_EQ,AIX_PPC8_VALUE)
+PPC_AIX_CPU("power9",SYS_CONF,AIX_SYSCON_IMPL_IDX,COMP_EQ,AIX_PPC9_VALUE)
+PPC_AIX_CPU("power10",SYS_CONF,AIX_SYSCON_IMPL_IDX,COMP_EQ,AIX_PPC10_VALUE)
#undef PPC_AIX_CPU
#ifndef PPC_SYSTEMCONFIG_TYPE
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