Fix test/CodeGen/builtins.c for platforms that don't lower sjlj

Opt in Win64 to supporting sjlj lowering. We have the backend lowering,
so I think this was just an oversight because WinX86_64TargetCodeGenInfo
doesn't inherit from X86_64TargetCodeGenInfo.

llvm-svn: 231280

clang/lib/CodeGen/TargetInfo.cpp

@@ -1724,6 +1724,10 @@ public:
   unsigned getOpenMPSimdDefaultAlignment(QualType) const override {
     return HasAVX ? 32 : 16;
   }
+
+  bool hasSjLjLowering(CodeGen::CodeGenFunction &CGF) const override {
+    return true;
+  }
 };
 
 void WinX86_64TargetCodeGenInfo::SetTargetAttributes(const Decl *D,

clang/test/CodeGen/builtin-longjmp.c

@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm < %s| FileCheck %s
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm < %s| FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-windows -emit-llvm < %s| FileCheck %s
 // RUN: %clang_cc1 -triple powerpc-unknown-unknown -emit-llvm < %s| FileCheck %s
 // RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm < %s| FileCheck %s
 

clang/test/CodeGen/builtins.c

@@ -220,6 +220,8 @@ void test_float_builtin_ops(float F, double D, long double LD) {
   // CHECK: call x86_fp80 @llvm.fabs.f80(x86_fp80
 }
 
+// __builtin_longjmp isn't supported on all platforms, so only test it on X86.
+#ifdef __x86_64__
 // CHECK-LABEL: define void @test_builtin_longjmp
 void test_builtin_longjmp(void **buffer) {
   // CHECK: [[BITCAST:%.*]] = bitcast
@@ -227,6 +229,7 @@ void test_builtin_longjmp(void **buffer) {
   __builtin_longjmp(buffer, 1);
   // CHECK-NEXT: unreachable
 }
+#endif
 
 // CHECK-LABEL: define i64 @test_builtin_readcyclecounter
 long long test_builtin_readcyclecounter() {