R600: Implement getPointerWidthV()

This fixes a crash in the OCL_ImgProc/Canny OpenCV test.

NOTE: This is a candidate for the 3.5 branch.
llvm-svn: 216181

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/test/Sema/sizeof-struct-non-zero-as-member.cl b/clang/test/Sema/sizeof-struct-non-zero-as-member.cl
new file mode 100644
index 00000000000..b64c03619ca
--- /dev/null
+++ b/clang/test/Sema/sizeof-struct-non-zero-as-member.cl
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -triple r600 -target-cpu verde -S -emit-llvm -o - %s
+// expected-no-diagnostics
+
+// Record lowering was crashing on SI and newer targets, because it
+// was using the wrong size for test::ptr.  Since global memory
+// has 64-bit pointers, sizeof(test::ptr) should be 8.
+
+struct test_as0 {int *ptr;};
+constant int as0[sizeof(struct test_as0) == 4 ? 1 : -1] = { 0 };
+
+struct test_as1 {global int *ptr;};
+constant int as1[sizeof(struct test_as1) == 8 ? 1 : -1] = { 0 };
+
+struct test_as2 {constant int *ptr;};
+constant int as2[sizeof(struct test_as2) == 8 ? 1 : -1] = { 0 };
+
+struct test_as3 {local int *ptr;};
+constant int as3[sizeof(struct test_as3) == 4 ? 1 : -1] = { 0 };