[PATCH] D20394: Fix cdp intrinsic

[Ranjeet Singh via cfe-commits]

rs created this revision.
rs added a reviewer: rengolin.
rs added a subscriber: cfe-commits.

Fixed cdp intrinsic to only accept compile time constant values, previously you could pass in a variable to the builtin which would result in illegal llvm assembly output.

http://reviews.llvm.org/D20394

Files:
  include/clang/Basic/BuiltinsARM.def
  test/CodeGen/builtins-arm.c
  test/Sema/builtins-arm.c

Index: test/Sema/builtins-arm.c
===================================================================
--- test/Sema/builtins-arm.c
+++ test/Sema/builtins-arm.c
@@ -48,6 +48,18 @@
 }
 
 void test6(int a, int b, int c) {
+  __builtin_arm_cdp(a, 2, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
+  __builtin_arm_cdp(1, a, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
+  __builtin_arm_cdp(1, 2, a, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
+  __builtin_arm_cdp(1, 2, 3, a, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
+  __builtin_arm_cdp(1, 2, 3, 4, 5, a); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
+
+  __builtin_arm_cdp2(a, 2, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
+  __builtin_arm_cdp2(1, a, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
+  __builtin_arm_cdp2(1, 2, a, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
+  __builtin_arm_cdp2(1, 2, 3, a, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
+  __builtin_arm_cdp2(1, 2, 3, 4, 5, a); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
+
   __builtin_arm_mrc( a, 0, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
   __builtin_arm_mrc(15, a, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
   __builtin_arm_mrc(15, 0,  a, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
Index: test/CodeGen/builtins-arm.c
===================================================================
--- test/CodeGen/builtins-arm.c
+++ test/CodeGen/builtins-arm.c
@@ -84,6 +84,20 @@
 // CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0)
 }
 
+void cdp() {
+  // CHECK: define void @cdp()
+  // CHECK: call void @llvm.arm.cdp(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6)
+  // CHECK-NEXT: ret void
+  __builtin_arm_cdp(1, 2, 3, 4, 5, 6);
+}
+
+void cdp2() {
+  // CHECK: define void @cdp2()
+  // CHECK: call void @llvm.arm.cdp2(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6)
+  // CHECK-NEXT: ret void
+  __builtin_arm_cdp2(1, 2, 3, 4, 5, 6);
+}
+
 unsigned mrc() {
   // CHECK: define i32 @mrc()
   // CHECK: [[R:%.*]] = call i32 @llvm.arm.mrc(i32 15, i32 0, i32 13, i32 0, i32 3)
Index: include/clang/Basic/BuiltinsARM.def
===================================================================
--- include/clang/Basic/BuiltinsARM.def
+++ include/clang/Basic/BuiltinsARM.def
@@ -52,8 +52,8 @@
 BUILTIN(__builtin_arm_mcr2, "vUIiUIiUiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mrc, "UiUIiUIiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mrc2, "UiUIiUIiUIiUIiUIi", "")
-BUILTIN(__builtin_arm_cdp, "vUiUiUiUiUiUi", "")
-BUILTIN(__builtin_arm_cdp2, "vUiUiUiUiUiUi", "")
+BUILTIN(__builtin_arm_cdp, "vUIiUIiUIiUIiUIiUIi", "")
+BUILTIN(__builtin_arm_cdp2, "vUIiUIiUIiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mcrr, "vUIiUIiUiUiUIi", "")
 BUILTIN(__builtin_arm_mcrr2, "vUIiUIiUiUiUIi", "")
 


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