[PATCH] D60728: [clang] [test] Add a (xfailing) test for PR41027

[Michał Górny via Phabricator via cfe-commits]

mgorny created this revision.
mgorny added reviewers: krytarowski, joerg, hans, rsmith.

Add a test for tracking PR41027 (8.0 regression breaking assembly code
relying on __builtin_constant_p() to identify compile-time constants).
Mark it as expected to fail everywhere.


https://reviews.llvm.org/D60728

Files:
  clang/test/Sema/pr41027.c


Index: clang/test/Sema/pr41027.c
===================================================================
--- /dev/null
+++ clang/test/Sema/pr41027.c
@@ -0,0 +1,9 @@
+// XFAIL: *
+// RUN: %clang_cc1 -triple x86_64 -fsyntax-only %s
+inline void pr41027(unsigned a, unsigned b) {
+  if (__builtin_constant_p(a)) {
+    __asm__ volatile("outl %0,%w1" : : "a"(b), "n"(a));
+  } else {
+    __asm__ volatile("outl %0,%w1" : : "a"(b), "d"(a));
+  }
+}



Index: clang/test/Sema/pr41027.c
===================================================================
--- /dev/null
+++ clang/test/Sema/pr41027.c
@@ -0,0 +1,9 @@
+// XFAIL: *
+// RUN: %clang_cc1 -triple x86_64 -fsyntax-only %s
+inline void pr41027(unsigned a, unsigned b) {
+  if (__builtin_constant_p(a)) {
+    __asm__ volatile("outl %0,%w1" : : "a"(b), "n"(a));
+  } else {
+    __asm__ volatile("outl %0,%w1" : : "a"(b), "d"(a));
+  }
+}

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