REPOSITORY
rL LLVM
http://reviews.llvm.org/D7825
Files:
cfe/trunk/lib/CodeGen/TargetInfo.cpp
cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
Index: cfe/trunk/lib/CodeGen/TargetInfo.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp
@@ -3041,7 +3041,7 @@
return ABIArgInfo::getDirect();
}
- if (RT || Ty->isMemberPointerType()) {
+ if (RT || Ty->isAnyComplexType() || Ty->isMemberPointerType()) {
// MS x64 ABI requirement: "Any argument that doesn't fit in 8 bytes, or is
// not 1, 2, 4, or 8 bytes, must be passed by reference."
if (Width > 64 || !llvm::isPowerOf2_64(Width))
Index: cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
===================================================================
--- cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
+++ cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
@@ -14,3 +14,18 @@
// CHECK-LABEL: define void @f4(i16 %a)
void f4(unsigned short a) {}
+
+// For ABI compatibility with ICC, _Complex should be passed/returned
+// as if it were a struct with two elements.
+
+// CHECK-LABEL: define void @f5(i64 %a.coerce)
+void f5(_Complex float a) {}
+
+// CHECK-LABEL: define void @f6({ double, double }* %a)
+void f6(_Complex double a) {}
+
+// CHECK-LABEL: define i64 @f7()
+_Complex float f7() { return 1.0; }
+
+// CHECK-LABEL: define void @f8({ double, double }* noalias sret %agg.result)
+_Complex double f8() { return 1.0; }
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Index: cfe/trunk/lib/CodeGen/TargetInfo.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp
@@ -3041,7 +3041,7 @@
return ABIArgInfo::getDirect();
}
- if (RT || Ty->isMemberPointerType()) {
+ if (RT || Ty->isAnyComplexType() || Ty->isMemberPointerType()) {
// MS x64 ABI requirement: "Any argument that doesn't fit in 8 bytes, or is
// not 1, 2, 4, or 8 bytes, must be passed by reference."
if (Width > 64 || !llvm::isPowerOf2_64(Width))
Index: cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
===================================================================
--- cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
+++ cfe/trunk/test/CodeGen/x86_64-arguments-win32.c
@@ -14,3 +14,18 @@
// CHECK-LABEL: define void @f4(i16 %a)
void f4(unsigned short a) {}
+
+// For ABI compatibility with ICC, _Complex should be passed/returned
+// as if it were a struct with two elements.
+
+// CHECK-LABEL: define void @f5(i64 %a.coerce)
+void f5(_Complex float a) {}
+
+// CHECK-LABEL: define void @f6({ double, double }* %a)
+void f6(_Complex double a) {}
+
+// CHECK-LABEL: define i64 @f7()
+_Complex float f7() { return 1.0; }
+
+// CHECK-LABEL: define void @f8({ double, double }* noalias sret %agg.result)
+_Complex double f8() { return 1.0; }
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