From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 22 Dec 2011 00:04:00 +0000 (+0000)
Subject: Fix a failure (which led to a crash) in constant emission code with vector compound... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=58c65fcb909c9c25d06507bcf41eb630b3d5e2da;p=clang

Fix a failure (which led to a crash) in constant emission code with vector compound literals.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147111 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index 48eda17b7a..136b713910 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -870,7 +870,8 @@ public:
       // Note that due to the nature of compound literals, this is guaranteed
       // to be the only use of the variable, so we just generate it here.
       CompoundLiteralExpr *CLE = cast<CompoundLiteralExpr>(E);
-      llvm::Constant* C = Visit(CLE->getInitializer());
+      llvm::Constant* C = CGM.EmitConstantExpr(CLE->getInitializer(),
+                                               CLE->getType(), CGF);
       // FIXME: "Leaked" on failure.
       if (C)
         C = new llvm::GlobalVariable(CGM.getModule(), C->getType(),
diff --git a/test/CodeGen/compound-literal.c b/test/CodeGen/compound-literal.c
index 0164c2b738..8208513c7c 100644
--- a/test/CodeGen/compound-literal.c
+++ b/test/CodeGen/compound-literal.c
@@ -2,8 +2,9 @@
 
 int* a = &(int){1};
 struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
-// Not working; complex constants are broken
-// _Complex double * x = &(_Complex double){1.0f};
+_Complex double * x = &(_Complex double){1.0f};
+typedef int v4i32 __attribute((vector_size(16)));
+v4i32 *x = &(v4i32){1,2,3,4};
 
 void xxx() {
 int* a = &(int){1};