@@ -2327,6 +2327,25 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
}
case Builtin::BI__builtin_launder:
return SemaBuiltinLaunder(*this, TheCall);
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *PtrArg =
@@ -2327,6 +2327,25 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
}
case Builtin::BI__builtin_launder:
return SemaBuiltinLaunder(*this, TheCall);
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *PtrArg =
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
https://github.com/huixie90 edited
https://github.com/llvm/llvm-project/pull/75371
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@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -60,9 +60,14 @@
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/TargetParser/AArch64TargetParser.h"
#include "llvm/TargetParser/X86TargetParser.h"
+#include
#include
#include
+
+
+#include
huixie90 wrote:
changing it to llvm::dbgs() now.
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
efriedma-quic wrote:
Also, please fix the title so it isn't prefixed with "[libc++]"; the intent is
for this to be used in libc++, but it's proposing a clang intrinsic.
https://github.com/llvm/llvm-project/pull/75371
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@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -0,0 +1,556 @@
+// RUN: mkdir -p %t
+// RUN: %clang++ %s -o %t/run
+// RUN: %t/run
efriedma-quic wrote:
Tests that need to actually run generated code go into the test-suite repo. (I
don't think that's really necessary here, though; if you're going to start
https://github.com/efriedma-quic commented:
Please clang-format changes.
https://github.com/llvm/llvm-project/pull/75371
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@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -4315,6 +4453,13 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl
GD, unsigned BuiltinID,
return RValue::get(Ptr);
}
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *Op = E->getArg(0);
+Value *Address = EmitScalarExpr(Op);
@@ -2327,6 +2327,25 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
}
case Builtin::BI__builtin_launder:
return SemaBuiltinLaunder(*this, TheCall);
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *PtrArg =
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2327,6 +2327,25 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
}
case Builtin::BI__builtin_launder:
return SemaBuiltinLaunder(*this, TheCall);
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *PtrArg =
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -60,9 +60,14 @@
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/TargetParser/AArch64TargetParser.h"
#include "llvm/TargetParser/X86TargetParser.h"
+#include
#include
#include
+
+
+#include
efriedma-quic wrote:
iostream is forbidden in LLVM
@@ -2327,6 +2327,25 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl,
unsigned BuiltinID,
}
case Builtin::BI__builtin_launder:
return SemaBuiltinLaunder(*this, TheCall);
+ case Builtin::BI__builtin_clear_padding: {
+const Expr *PtrArg =
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
@@ -2456,6 +2461,139 @@ static RValue
EmitHipStdParUnsupportedBuiltin(CodeGenFunction *CGF,
return RValue::get(CGF->Builder.CreateCall(UBF, Args));
}
+template
+void RecursivelyClearPaddingImpl(CodeGenFunction , Value *Ptr, QualType
Ty, size_t CurrentStartOffset, size_t
https://github.com/efriedma-quic edited
https://github.com/llvm/llvm-project/pull/75371
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ldionne wrote:
@AaronBallman We're struggling a bit to find the right person to help review
this -- do you know who would be a good candidate? Hui is very familiar with
libc++ but he's less familiar with codegen, and I'm not very useful in that
area of the project :-).
https://github.com/huixie90 ready_for_review
https://github.com/llvm/llvm-project/pull/75371
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@@ -0,0 +1,556 @@
+// RUN: mkdir -p %t
+// RUN: %clang++ %s -o %t/run
+// RUN: %t/run
ldionne wrote:
I'm not sure if this is going to work on all configurations, for example when
they cross compile. Is there a precedent for these kinds of runtime tests in
the
@@ -0,0 +1,556 @@
+// RUN: mkdir -p %t
ldionne wrote:
Are these files missing a license?
https://github.com/llvm/llvm-project/pull/75371
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https://github.com/huixie90 edited
https://github.com/llvm/llvm-project/pull/75371
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