nemanjai wrote:
Fix in https://github.com/llvm/llvm-project/pull/80058
https://github.com/llvm/llvm-project/pull/68919
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nemanjai wrote:
Sorry, I'll put up a patch for review shortly to fix this problem.
https://github.com/llvm/llvm-project/pull/68919
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lei137 wrote:
Hi Aokamal,
This maco was not taken into account in the implementation. Can you please open
a bug and assign the issue to nemanjai?
Thank-you for reporting this.
Regards,
Lei
From: Aokamal ***@***.***>
Date: Tuesday, January 30, 2024 at 10:30 AM
To: llvm/llvm-project
Aokamal wrote:
Hi,
Sorry I kind of don't know much about the change. We have the following code
snippet
```
#if ABSL_HAVE_BUILTIN(__builtin_cpu_supports)
if (__builtin_cpu_supports("avx2")) {
...
}
#endif
```
when run with arm cpu, it fails with `error: builtin is not supported on
https://github.com/lei137 closed https://github.com/llvm/llvm-project/pull/68919
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@@ -359,6 +359,13 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public
TargetInfo {
bool isSPRegName(StringRef RegName) const override {
return RegName.equals("r1") || RegName.equals("x1");
}
+
+ // We support __builtin_cpu_supports/__builtin_cpu_is on targets
@@ -359,6 +359,13 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public
TargetInfo {
bool isSPRegName(StringRef RegName) const override {
return RegName.equals("r1") || RegName.equals("x1");
}
+
+ // We support __builtin_cpu_supports/__builtin_cpu_is on targets
https://github.com/diggerlin edited
https://github.com/llvm/llvm-project/pull/68919
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https://github.com/diggerlin edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -210,6 +210,15 @@ let TargetPrefix = "ppc" in { // All intrinsics start
with "llvm.ppc.".
[llvm_float_ty],
[llvm_float_ty, llvm_float_ty, llvm_float_ty, llvm_vararg_ty],
[IntrNoMem]>;
+ // Load of a value provided by the system library
https://github.com/amy-kwan edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
@@ -15,38 +20,57 @@ int main(void) {
if (__builtin_cpu_supports("sse4.2"))
a("sse4.2");
- // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32,
i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 3, i32 0)
- // CHECK: [[AND:%[^ ]+]] = and i32
@@ -15,38 +20,57 @@ int main(void) {
if (__builtin_cpu_supports("sse4.2"))
a("sse4.2");
- // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32,
i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 3, i32 0)
- // CHECK: [[AND:%[^ ]+]] = and i32
@@ -359,6 +359,13 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public
TargetInfo {
bool isSPRegName(StringRef RegName) const override {
return RegName.equals("r1") || RegName.equals("x1");
}
+
+ // We support __builtin_cpu_supports/__builtin_cpu_is on targets
@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
@@ -32,6 +32,7 @@ class PPCTargetMachine final : public LLVMTargetMachine {
std::unique_ptr TLOF;
PPCABI TargetABI;
Endian Endianness = Endian::NOT_DETECTED;
+ mutable bool HasGlibcHWCAPAccess = false;
nemanjai wrote:
Target machine is not modifiable
@@ -210,6 +210,12 @@ let TargetPrefix = "ppc" in { // All intrinsics start
with "llvm.ppc.".
[llvm_float_ty],
[llvm_float_ty, llvm_float_ty, llvm_float_ty, llvm_vararg_ty],
[IntrNoMem]>;
+ // Load of a value provided by the system library
@@ -1,11 +1,16 @@
-// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s \
+// RUN: --check-prefix=CHECK-X86
+// RUN: %clang_cc1 -triple ppc64le-linux-gnu -emit-llvm < %s |
@@ -1830,6 +1830,10 @@ void PPCLinuxAsmPrinter::emitEndOfAsmFile(Module ) {
PPCTargetStreamer *TS =
static_cast(OutStreamer->getTargetStreamer());
+ if (static_cast(TM).hasGlibcHWCAPAccess())
nemanjai wrote:
Ha ha, more as in "any"?
@@ -0,0 +1,80 @@
+#ifndef PPC_FEATURE
nemanjai wrote:
Sounds good.
https://github.com/llvm/llvm-project/pull/68919
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@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
https://github.com/nemanjai updated
https://github.com/llvm/llvm-project/pull/68919
>From 71f1352bf00d6a9eefa3f199859d47d093f272f8 Mon Sep 17 00:00:00 2001
From: Nemanja Ivanovic
Date: Thu, 12 Oct 2023 14:08:42 -0400
Subject: [PATCH 1/3] [PowerPC][X86] Make cpu id builtins target independent
@@ -15,38 +20,57 @@ int main(void) {
if (__builtin_cpu_supports("sse4.2"))
a("sse4.2");
- // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32,
i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 3, i32 0)
- // CHECK: [[AND:%[^ ]+]] = and i32
https://github.com/diggerlin edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -15,38 +20,57 @@ int main(void) {
if (__builtin_cpu_supports("sse4.2"))
a("sse4.2");
- // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr getelementptr inbounds ({ i32,
i32, i32, [1 x i32] }, ptr @__cpu_model, i32 0, i32 3, i32 0)
- // CHECK: [[AND:%[^ ]+]] = and i32
@@ -1,11 +1,16 @@
-// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s \
+// RUN: --check-prefix=CHECK-X86
+// RUN: %clang_cc1 -triple ppc64le-linux-gnu -emit-llvm < %s |
https://github.com/amy-kwan edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -1830,6 +1830,10 @@ void PPCLinuxAsmPrinter::emitEndOfAsmFile(Module ) {
PPCTargetStreamer *TS =
static_cast(OutStreamer->getTargetStreamer());
+ if (static_cast(TM).hasGlibcHWCAPAccess())
amy-kwan wrote:
Can we add more documentation regarding
https://github.com/diggerlin edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
@@ -3124,6 +3125,36 @@ bool PPCInstrInfo::expandPostRAPseudo(MachineInstr )
const {
.addReg(Reg);
return true;
}
+ case PPC::PPCLdFixedAddr: {
+assert(Subtarget.isTargetLinux() &&
+ "Only Linux target is expected to contain PPCLdFixedAddr");
+
@@ -873,3 +873,17 @@ ArrayRef PPCTargetInfo::getTargetBuiltins()
const {
return llvm::ArrayRef(BuiltinInfo,
clang::PPC::LastTSBuiltin - Builtin::FirstTSBuiltin);
}
+
+bool PPCTargetInfo::validateCpuSupports(StringRef FeatureStr) const {
@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
https://github.com/amy-kwan edited
https://github.com/llvm/llvm-project/pull/68919
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@@ -359,6 +359,13 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public
TargetInfo {
bool isSPRegName(StringRef RegName) const override {
return RegName.equals("r1") || RegName.equals("x1");
}
+
+ // We support __builtin_cpu_supports/__builtin_cpu_is on targets
https://github.com/amy-kwan edited
https://github.com/llvm/llvm-project/pull/68919
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https://github.com/amy-kwan commented:
Initial group code review comments.
https://github.com/llvm/llvm-project/pull/68919
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@@ -2110,6 +2110,66 @@ static bool checkFPMathBuiltinElementType(Sema ,
SourceLocation Loc,
return false;
}
+/// SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).
+/// This checks that the target supports __builtin_cpu_supports and
+/// that the string
@@ -0,0 +1,80 @@
+#ifndef PPC_FEATURE
kamaub wrote:
Missing file description similar to the `head` of
`clang/include/clang/Basic/Builtins.def`
https://github.com/llvm/llvm-project/pull/68919
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@@ -210,6 +210,12 @@ let TargetPrefix = "ppc" in { // All intrinsics start
with "llvm.ppc.".
[llvm_float_ty],
[llvm_float_ty, llvm_float_ty, llvm_float_ty, llvm_vararg_ty],
[IntrNoMem]>;
+ // Load of a value provided by the system library
https://github.com/kamaub deleted
https://github.com/llvm/llvm-project/pull/68919
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https://github.com/kamaub edited https://github.com/llvm/llvm-project/pull/68919
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@@ -1,11 +1,16 @@
-// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s \
+// RUN: --check-prefix=CHECK-X86
+// RUN: %clang_cc1 -triple ppc64le-linux-gnu -emit-llvm < %s |
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