ARM/APCS: Don't treat structs w/ floating point types as "integer like".

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81748 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 18 insertions, 0 deletions

diff --git a/lib/CodeGen/TargetABIInfo.cpp b/lib/CodeGen/TargetABIInfo.cpp
index 1dd88bb481..c403960580 100644
--- a/lib/CodeGen/TargetABIInfo.cpp
+++ b/lib/CodeGen/TargetABIInfo.cpp
@@ -1430,6 +1430,10 @@ static bool isIntegerLikeType(QualType Ty,
   if (Ty->isVectorType())
     return false;
 
+  // Float types are never treated as "integer like".
+  if (Ty->isRealFloatingType())
+    return false;
+
   // If this is a builtin or pointer type then it is ok.
   if (Ty->getAsBuiltinType() || Ty->isPointerType())
     return true;
diff --git a/test/CodeGen/arm-arguments.c b/test/CodeGen/arm-arguments.c
index 0448f92aa4..e58d2fddef 100644
--- a/test/CodeGen/arm-arguments.c
+++ b/test/CodeGen/arm-arguments.c
@@ -70,3 +70,17 @@ struct s11 f11(void) {}
 // AAPCS: define arm_aapcscc i32 @f12()
 union u12 { char f0; short f1; int f2; };
 union u12 f12(void) {}
+
+// APCS-GNU: define arm_apcscc void @f13(
+// APCS-GNU: struct.s13* noalias sret
+
+// FIXME: This should return a float.
+// AAPCS-FIXME: define arm_aapcscc float @f13()
+struct s13 { float f0; };
+struct s13 f13(void) {}
+
+// APCS-GNU: define arm_apcscc void @f14(
+// APCS-GNU: struct.s13* noalias sret
+// AAPCS: define arm_aapcscc i32 @f14()
+union u14 { float f0; };
+union u14 f14(void) {}