[CUDA] Don't crash when trying to printf a non-scalar object.
Summary:
We can't do the right thing, since there's no right thing to do, but at
least we can not crash the compiler.
Reviewers: majnemer, rnk
Subscribers: cfe-commits, jhen, tra
Differential Revision: http://reviews.llvm.org/D17103
llvm-svn: 260479
diff --git a/clang/test/CodeGenCUDA/printf-aggregate.cu b/clang/test/CodeGenCUDA/printf-aggregate.cu
new file mode 100644
index 0000000..2e703b8
--- /dev/null
+++ b/clang/test/CodeGenCUDA/printf-aggregate.cu
@@ -0,0 +1,17 @@
+// REQUIRES: x86-registered-target
+// REQUIRES: nvptx-registered-target
+
+// RUN: not %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -emit-llvm \
+// RUN: -o - %s 2>&1 | FileCheck %s
+
+#include "Inputs/cuda.h"
+
+// Check that we don't crash when asked to printf a non-scalar arg.
+struct Struct {
+ int x;
+ int y;
+};
+__device__ void PrintfNonScalar() {
+ // CHECK: cannot compile this non-scalar arg to printf
+ printf("%d", Struct());
+}