From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 11 Aug 2010 02:17:11 +0000 (+0000)
Subject: ARM: Swap which registers we consider real / aliases to match LLVM and llvm-gcc.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1fd71718eee5f39f560f536f0ee9cf7c68876518;p=clang

ARM: Swap which registers we consider real / aliases to match LLVM and llvm-gcc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110774 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 40a029673e..3eee5c07d6 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1788,17 +1788,16 @@ public:
 
 const char * const ARMTargetInfo::GCCRegNames[] = {
   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
-  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
+  "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc"
 };
 
 void ARMTargetInfo::getGCCRegNames(const char * const *&Names,
-                                       unsigned &NumNames) const {
+                                   unsigned &NumNames) const {
   Names = GCCRegNames;
   NumNames = llvm::array_lengthof(GCCRegNames);
 }
 
 const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = {
-
   { { "a1" }, "r0" },
   { { "a2" }, "r1" },
   { { "a3" }, "r2" },
@@ -1812,9 +1811,9 @@ const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = {
   { { "sl" }, "r10" },
   { { "fp" }, "r11" },
   { { "ip" }, "r12" },
-  { { "sp" }, "r13" },
-  { { "lr" }, "r14" },
-  { { "pc" }, "r15" },
+  { { "r13" }, "sp" },
+  { { "r14" }, "lr" },
+  { { "r15" }, "pc" },
 };
 
 void ARMTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
diff --git a/test/CodeGen/asm_arm.c b/test/CodeGen/asm_arm.c
index aac47d57dc..12cf5d79c8 100644
--- a/test/CodeGen/asm_arm.c
+++ b/test/CodeGen/asm_arm.c
@@ -30,3 +30,11 @@ void test4(float *a, float *b) {
                     "vst1.32 {q4},        [%0,:128] \n\t"
                     :: "r"(a), "r"(b));
 }
+
+// {sp, lr, pc} are the canonical names for {r13, r14, r15}.
+//
+// CHECK: @test5
+// CHECK: call void asm sideeffect "", "~{sp},~{lr},~{pc},~{sp},~{lr},~{pc}"()
+void test5() {
+  __asm__("" : : : "r13", "r14", "r15", "sp", "lr", "pc");
+}