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eb9dd5b87f
This re-lands r299875.
I introduced a bug in Clang code responsible for replacing K&R, no
prototype declarations with a real function definition with a prototype.
The bug was here:
// Collect any return attributes from the call.
- if (oldAttrs.hasAttributes(llvm::AttributeList::ReturnIndex))
- newAttrs.push_back(llvm::AttributeList::get(newFn->getContext(),
- oldAttrs.getRetAttributes()));
+ newAttrs.push_back(oldAttrs.getRetAttributes());
Previously getRetAttributes() carried AttributeList::ReturnIndex in its
AttributeList. Now that we return the AttributeSetNode* directly, it no
longer carries that index, and we call this overload with a single node:
AttributeList::get(LLVMContext&, ArrayRef<AttributeSetNode*>)
That aborted with an assertion on x86_32 targets. I added an explicit
triple to the test and added CHECKs to help find issues like this in the
future sooner.
llvm-svn: 299899
31 lines
567 B
C
31 lines
567 B
C
// Test returning a single element aggregate value containing a double.
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// RUN: %clang_cc1 -triple i686-linux %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_32
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// RUN: %clang_cc1 %s -emit-llvm -o -
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struct X {
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double D;
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};
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struct Y {
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struct X x;
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};
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struct Y bar();
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void foo(struct Y *P) {
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*P = bar();
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}
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struct Y bar() {
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struct Y a;
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a.x.D = 0;
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return a;
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}
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// X86_32: define void @foo(%struct.Y* %P)
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// X86_32: call void @bar(%struct.Y* sret %{{[^),]*}})
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// X86_32: define void @bar(%struct.Y* noalias sret %{{[^,)]*}})
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// X86_32: ret void
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