1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/symbol-naming.ll b/test/CodeGen/NVPTX/symbol-naming.ll
new file mode 100644
index 0000000..bd1333f
--- /dev/null
+++ b/test/CodeGen/NVPTX/symbol-naming.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s --check-prefix=PTX32
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s --check-prefix=PTX64
+
+; Verify that the NVPTX target removes invalid symbol names prior to emitting
+; PTX.
+
+; PTX32-NOT: .str
+; PTX64-NOT: .str
+
+; PTX32-DAG: _$_str1
+; PTX32-DAG: _$_str
+
+; PTX64-DAG: _$_str1
+; PTX64-DAG: _$_str
+
+target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-unknown-unknown"
+
+
+@.str = private unnamed_addr constant [13 x i8] c"%d %f %c %d\0A\00", align 1
+@_$_str = private unnamed_addr constant [13 x i8] c"%d %f %c %d\0A\00", align 1
+
+
+; Function Attrs: nounwind
+define void @foo(i32 %a, float %b, i8 signext %c, i32 %e) {
+entry:
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 0, i32 0))
+  ret void
+}
+
+declare i32 @printf(i8*, ...)