commit ca3d3fcabaa0d7255e9a778ef468daa6e052b211
author Eli Friedman <eli.friedman@gmail.com> Tue Nov 15 02:46:03 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Tue Nov 15 02:46:03 2011 +0000
tree 8f298c2c3c34eec23a2344e60d51f74b908e7993
parent 32509f1e60451d86e9fbc473b6e853ba10b5fd1e

Fix crash in calling convention code expanding an struct with a complex member.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144612 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGCall.cpp

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 92ac5ae..7ff16dd 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -1513,7 +1513,10 @@
       llvm::Value *EltAddr = Builder.CreateConstGEP2_32(Addr, 0, Elt);
       LValue LV = MakeAddrLValue(EltAddr, EltTy);
       RValue EltRV;
-      if (CodeGenFunction::hasAggregateLLVMType(EltTy))
+      if (EltTy->isAnyComplexType())
+        // FIXME: Volatile?
+        EltRV = RValue::getComplex(LoadComplexFromAddr(LV.getAddress(), false));
+      else if (CodeGenFunction::hasAggregateLLVMType(EltTy))
         EltRV = RValue::getAggregate(LV.getAddress());
       else
         EltRV = EmitLoadOfLValue(LV);
@@ -1531,13 +1534,16 @@
       // FIXME: What are the right qualifiers here?
       LValue LV = EmitLValueForField(Addr, FD, 0);
       RValue FldRV;
-      if (CodeGenFunction::hasAggregateLLVMType(FT))
+      if (FT->isAnyComplexType())
+        // FIXME: Volatile?
+        FldRV = RValue::getComplex(LoadComplexFromAddr(LV.getAddress(), false));
+      else if (CodeGenFunction::hasAggregateLLVMType(FT))
         FldRV = RValue::getAggregate(LV.getAddress());
       else
         FldRV = EmitLoadOfLValue(LV);
       ExpandTypeToArgs(FT, FldRV, Args, IRFuncTy);
     }
-  } else if (isa<ComplexType>(Ty)) {
+  } else if (Ty->isAnyComplexType()) {
     ComplexPairTy CV = RV.getComplexVal();
     Args.push_back(CV.first);
     Args.push_back(CV.second);

test/CodeGen/x86_32-arguments-darwin.c

diff --git a/test/CodeGen/x86_32-arguments-darwin.c b/test/CodeGen/x86_32-arguments-darwin.c
index 7727c43..c3af7fb 100644
--- a/test/CodeGen/x86_32-arguments-darwin.c
+++ b/test/CodeGen/x86_32-arguments-darwin.c
@@ -275,3 +275,8 @@
   f56_0(1, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9,
         a10, a11, a12, a13);
 }
+
+// CHECK: define void @f57(i32 %x.0, i32 %x.1)
+// CHECK: call void @f57(
+struct s57 { _Complex int x; };
+void f57(struct s57 x) {} void f57a(void) { f57((struct s57){1}); }