Add a test for llvm-gcc svn r104726.

llvm-svn: 104805

llvm/test/FrontendC/2010-05-26-AsmSideEffect.c

@@ -0,0 +1,12 @@
+// RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s
+// Radar 8026855
+
+int test (void *src) {
+  register int w0 asm ("0");
+  // CHECK: call i32 asm sideeffect
+  asm ("ldr %0, [%1]": "=r" (w0): "r" (src));
+  // The asm to read the value of w0 has a sideeffect for a different reason
+  // (see 2010-05-18-asmsched.c) but that's not what this is testing for.
+  // CHECK: call i32 asm
+  return w0;
+}