From: Joey Gouly <joey.gouly@arm.com>
Date: Wed, 2 Oct 2013 10:00:18 +0000 (+0000)
Subject: [ARM] Add a builtin to allow you to use the 'sevl' instruction.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=594e193073fe36b9ecbce9a105c269e20f82b3c9;p=clang

[ARM] Add a builtin to allow you to use the 'sevl' instruction.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191816 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/BuiltinsARM.def b/include/clang/Basic/BuiltinsARM.def
index 1d8087921e..5a2b573b16 100644
--- a/include/clang/Basic/BuiltinsARM.def
+++ b/include/clang/Basic/BuiltinsARM.def
@@ -58,6 +58,9 @@ BUILTIN(__builtin_arm_crc32cw, "UiUiUi", "nc")
 BUILTIN(__builtin_arm_crc32d, "UiUiLLUi", "nc")
 BUILTIN(__builtin_arm_crc32cd, "UiUiLLUi", "nc")
 
+// HINT
+BUILTIN(__builtin_arm_sevl, "v", "")
+
 // NEON
 #define GET_NEON_BUILTINS
 #include "clang/Basic/arm_neon.inc"
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 450b5f0c82..a6911bab34 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2372,6 +2372,11 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
     return Builder.CreateCall(F);
   }
 
+  if (BuiltinID == ARM::BI__builtin_arm_sevl) {
+    Function *F = CGM.getIntrinsic(Intrinsic::arm_sevl);
+    return Builder.CreateCall(F);
+  }
+
   // CRC32
   Intrinsic::ID CRCIntrinsicID = Intrinsic::not_intrinsic;
   switch (BuiltinID) {
diff --git a/test/CodeGen/builtins-arm.c b/test/CodeGen/builtins-arm.c
index e6c7cede1f..f8c7f730a9 100644
--- a/test/CodeGen/builtins-arm.c
+++ b/test/CodeGen/builtins-arm.c
@@ -18,3 +18,9 @@ void test_eh_return_data_regno()
   res = __builtin_eh_return_data_regno(0);  // CHECK: store volatile i32 0
   res = __builtin_eh_return_data_regno(1);  // CHECK: store volatile i32 1
 }
+
+void sevl() {
+  __builtin_arm_sevl();
+}
+
+// CHECK: call {{.*}} @llvm.arm.sevl