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-rw-r--r--test/CodeGen/NVPTX/local-stack-frame.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/local-stack-frame.ll b/test/CodeGen/NVPTX/local-stack-frame.ll
new file mode 100644
index 0000000000..178dff1a5d
--- /dev/null
+++ b/test/CodeGen/NVPTX/local-stack-frame.ll
@@ -0,0 +1,18 @@
+; 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
+
+; Ensure we access the local stack properly
+
+; PTX32: mov.u32 %r{{[0-9]+}}, __local_depot{{[0-9]+}};
+; PTX32: cvta.local.u32 %SP, %r{{[0-9]+}};
+; PTX32: ld.param.u32 %r{{[0-9]+}}, [foo_param_0];
+; PTX32: st.u32 [%SP+0], %r{{[0-9]+}};
+; PTX64: mov.u64 %rl{{[0-9]+}}, __local_depot{{[0-9]+}};
+; PTX64: cvta.local.u64 %SP, %rl{{[0-9]+}};
+; PTX64: ld.param.u32 %r{{[0-9]+}}, [foo_param_0];
+; PTX64: st.u32 [%SP+0], %r{{[0-9]+}};
+define void @foo(i32 %a) {
+ %local = alloca i32, align 4
+ store i32 %a, i32* %local
+ ret void
+}