Mips specific inline asm memory operand modifier test case

These changes are based on commit responses for r179135.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179229 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/mips-inline-asm-modifiers.c b/test/CodeGen/mips-inline-asm-modifiers.c
new file mode 100644 (file)
index 0000000..5ead8fb
--- /dev/null
+++ b/test/CodeGen/mips-inline-asm-modifiers.c
@@ -0,0 +1,35 @@
+// RUN: %clang -target mipsel-unknown-linux -S -o - -emit-llvm %s \
+// RUN: | FileCheck %s
+
+// This checks that the frontend will accept inline asm operand modifiers
+
+#include "stdio.h"
+
+  // CHECK: %{{[0-9]+}} = call i32 asm ".set noreorder;\0Alw    $0,$1;\0A.set reorder;\0A", "=r,*m"(i32* getelementptr inbounds ([8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2, !srcloc !0
+  // CHECK: %{{[0-9]+}} = call i32 asm "lw    $0,${1:D};\0A", "=r,*m"(i32* getelementptr inbounds ([8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2, !srcloc !1
+int b[8] = {0,1,2,3,4,5,6,7};
+int  main()
+{
+  int i;
+
+  // The first word. Notice, no 'D'
+  {asm (
+  ".set noreorder;\n"
+  "lw    %0,%1;\n"
+  ".set reorder;\n"
+  : "=r" (i)
+  : "m" (*(b+4)));}
+
+  printf("%d\n",i);
+
+  // The second word
+  {asm (
+  "lw    %0,%D1;\n"
+  : "=r" (i)
+  : "m" (*(b+4))
+  );}
+
+  printf("%d\n",i);
+
+  return 1;
+}