Re-land "[test] Split LLDB tests into API, Shell & Unit"

The original patch got reverted because it broke `check-lldb` on a clean
build. This fixes that.

llvm-svn: 374201

1 files changed, 33 insertions, 0 deletions

diff --git a/lldb/test/Shell/Register/Inputs/x86-gp-read.cpp b/lldb/test/Shell/Register/Inputs/x86-gp-read.cpp
new file mode 100644
index 00000000000..4fb725d3906
--- /dev/null
+++ b/lldb/test/Shell/Register/Inputs/x86-gp-read.cpp
@@ -0,0 +1,33 @@
+#include <cstdint>
+
+int main() {
+  constexpr uint32_t eax = 0x05060708;
+  constexpr uint32_t ebx = 0x15161718;
+  constexpr uint32_t ecx = 0x25262728;
+  constexpr uint32_t edx = 0x35363738;
+  constexpr uint32_t esp = 0x45464748;
+  constexpr uint32_t ebp = 0x55565758;
+  constexpr uint32_t esi = 0x65666768;
+  constexpr uint32_t edi = 0x75767778;
+
+  asm volatile(
+    // save esp & ebp
+    "movd    %%esp, %%mm0\n\t"
+    "movd    %%ebp, %%mm1\n\t"
+    "\n\t"
+    "movl    %4, %%esp\n\t"
+    "movl    %5, %%ebp\n\t"
+    "\n\t"
+    "int3\n\t"
+    "\n\t"
+    // restore esp & ebp
+    "movd    %%mm0, %%esp\n\t"
+    "movd    %%mm1, %%ebp\n\t"
+    :
+    : "a"(eax), "b"(ebx), "c"(ecx), "d"(edx), "i"(esp), "i"(ebp), "S"(esi),
+      "D"(edi)
+    : "%mm0", "%mm1"
+  );
+
+  return 0;
+}