Reverting r272777 because one of the tests

added in the llvm patch is causing an assertion
to fail.

llvm-svn: 272790

clang/include/clang/Basic/BuiltinsARM.def

@@ -58,16 +58,14 @@ BUILTIN(__builtin_arm_stcl, "vUIiUIiv*", "")
 BUILTIN(__builtin_arm_stc2, "vUIiUIiv*", "")
 BUILTIN(__builtin_arm_stc2l, "vUIiUIiv*", "")
 
-BUILTIN(__builtin_arm_cdp, "vUIiUIiUIiUIiUIiUIi", "")
-BUILTIN(__builtin_arm_cdp2, "vUIiUIiUIiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mcr, "vUIiUIiUiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mcr2, "vUIiUIiUiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mrc, "UiUIiUIiUIiUIiUIi", "")
 BUILTIN(__builtin_arm_mrc2, "UiUIiUIiUIiUIiUIi", "")
-BUILTIN(__builtin_arm_mcrr, "vUIiUIiLLUiUIi", "")
+BUILTIN(__builtin_arm_cdp, "vUIiUIiUIiUIiUIiUIi", "")
-BUILTIN(__builtin_arm_mcrr2, "vUIiUIiLLUiUIi", "")
+BUILTIN(__builtin_arm_cdp2, "vUIiUIiUIiUIiUIiUIi", "")
-BUILTIN(__builtin_arm_mrrc, "LLUiUIiUIiUIi", "")
+BUILTIN(__builtin_arm_mcrr, "vUIiUIiUiUiUIi", "")
-BUILTIN(__builtin_arm_mrrc2, "LLUiUIiUIiUIi", "")
+BUILTIN(__builtin_arm_mcrr2, "vUIiUIiUiUiUIi", "")
 
 // CRC32
 BUILTIN(__builtin_arm_crc32b, "UiUiUc", "nc")

clang/lib/CodeGen/CGBuiltin.cpp

@@ -3793,74 +3793,6 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
     return EmitNounwindRuntimeCall(CGM.CreateRuntimeFunction(FTy, Name), Ops);
   }
 
-  if (BuiltinID == ARM::BI__builtin_arm_mcrr ||
-      BuiltinID == ARM::BI__builtin_arm_mcrr2) {
-    Function *F;
-
-    switch (BuiltinID) {
-    default: llvm_unreachable("unexpected builtin");
-    case ARM::BI__builtin_arm_mcrr:
-      F = CGM.getIntrinsic(Intrinsic::arm_mcrr);
-      break;
-    case ARM::BI__builtin_arm_mcrr2:
-      F = CGM.getIntrinsic(Intrinsic::arm_mcrr2);
-      break;
-    }
-
-    // MCRR{2} instruction has 5 operands but
-    // the intrinsic has 4 because Rt and Rt2
-    // are represented as a single unsigned 64
-    // bit integer in the intrinsic definition
-    // but internally it's represented as 2 32
-    // bit integers.
-
-    Value *Coproc = EmitScalarExpr(E->getArg(0));
-    Value *Opc1 = EmitScalarExpr(E->getArg(1));
-    Value *RtAndRt2 = EmitScalarExpr(E->getArg(2));
-    Value *CRm = EmitScalarExpr(E->getArg(3));
-
-    Value *C1 = llvm::ConstantInt::get(Int64Ty, 32);
-    Value *Rt = Builder.CreateTruncOrBitCast(RtAndRt2, Int32Ty);
-    Value *Rt2 = Builder.CreateLShr(RtAndRt2, C1);
-    Rt2 = Builder.CreateTruncOrBitCast(Rt2, Int32Ty);
-
-    return Builder.CreateCall(F, {Coproc, Opc1, Rt, Rt2, CRm});
-  }
-
-  if (BuiltinID == ARM::BI__builtin_arm_mrrc ||
-      BuiltinID == ARM::BI__builtin_arm_mrrc2) {
-    Function *F;
-
-    switch (BuiltinID) {
-    default: llvm_unreachable("unexpected builtin");
-    case ARM::BI__builtin_arm_mrrc:
-      F = CGM.getIntrinsic(Intrinsic::arm_mrrc);
-      break;
-    case ARM::BI__builtin_arm_mrrc2:
-      F = CGM.getIntrinsic(Intrinsic::arm_mrrc2);
-      break;
-    }
-
-    Value *Coproc = EmitScalarExpr(E->getArg(0));
-    Value *Opc1 = EmitScalarExpr(E->getArg(1));
-    Value *CRm  = EmitScalarExpr(E->getArg(2));
-    Value *RtAndRt2 = Builder.CreateCall(F, {Coproc, Opc1, CRm});
-
-    // Returns an unsigned 64 bit integer, represented
-    // as two 32 bit integers.
-
-    Value *Rt = Builder.CreateExtractValue(RtAndRt2, 1);
-    Value *Rt1 = Builder.CreateExtractValue(RtAndRt2, 0);
-    Rt = Builder.CreateZExt(Rt, Int64Ty);
-    Rt1 = Builder.CreateZExt(Rt1, Int64Ty);
-
-    Value *ShiftCast = llvm::ConstantInt::get(Int64Ty, 32);
-    RtAndRt2 = Builder.CreateShl(Rt, ShiftCast, "shl", true);
-    RtAndRt2 = Builder.CreateOr(RtAndRt2, Rt1);
-
-    return Builder.CreateBitCast(RtAndRt2, ConvertType(E->getType()));
-  }
-
   if (BuiltinID == ARM::BI__builtin_arm_ldrexd ||
       ((BuiltinID == ARM::BI__builtin_arm_ldrex ||
         BuiltinID == ARM::BI__builtin_arm_ldaex) &&

clang/test/CodeGen/builtins-arm.c

@@ -1,7 +1,5 @@
 // RUN: %clang_cc1 -Wall -Werror -triple thumbv7-eabi -target-cpu cortex-a8 -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
 
-#include <stdint.h>
-
 void *f0()
 {
   return __builtin_thread_pointer();
@@ -182,28 +180,16 @@ void mcr2(unsigned a) {
   __builtin_arm_mcr2(15, 0, a, 13, 0, 3);
 }
 
-void mcrr(uint64_t a) {
+void mcrr(unsigned a, unsigned b) {
-  // CHECK: define void @mcrr(i64 %{{.*}})
+  // CHECK: define void @mcrr(i32 [[A:%.*]], i32 [[B:%.*]])
-  // CHECK: call void @llvm.arm.mcrr(i32 15, i32 0, i32 %{{[0-9]+}}, i32 %{{[0-9]+}}, i32 0)
+  // CHECK: call void @llvm.arm.mcrr(i32 15, i32 0, i32 [[A]], i32 [[B]], i32 0)
-  __builtin_arm_mcrr(15, 0, a, 0);
+  __builtin_arm_mcrr(15, 0, a, b, 0);
 }
 
-void mcrr2(uint64_t a) {
+void mcrr2(unsigned a, unsigned b) {
-  // CHECK: define void @mcrr2(i64 %{{.*}})
+  // CHECK: define void @mcrr2(i32 [[A:%.*]], i32 [[B:%.*]])
-  // CHECK: call void @llvm.arm.mcrr2(i32 15, i32 0, i32 %{{[0-9]+}}, i32 %{{[0-9]+}}, i32 0)
+  // CHECK: call void @llvm.arm.mcrr2(i32 15, i32 0, i32 [[A]], i32 [[B]], i32 0)
-  __builtin_arm_mcrr2(15, 0, a, 0);
+  __builtin_arm_mcrr2(15, 0, a, b, 0);
-}
-
-uint64_t mrrc() {
-  // CHECK: define i64 @mrrc()
-  // CHECK: call { i32, i32 } @llvm.arm.mrrc(i32 15, i32 0, i32 0)
-  return __builtin_arm_mrrc(15, 0, 0);
-}
-
-uint64_t mrrc2() {
-  // CHECK: define i64 @mrrc2()
-  // CHECK: call { i32, i32 } @llvm.arm.mrrc2(i32 15, i32 0, i32 0)
-  return __builtin_arm_mrrc2(15, 0, 0);
 }
 
 unsigned rsr() {

clang/test/Sema/builtins-arm.c

@@ -116,23 +116,11 @@ void test6(int a, int b, int c) {
   __builtin_arm_mcr2(15, 0, b, 13, a, 3); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
   __builtin_arm_mcr2(15, 0, b, 13, 0, a); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 
-  __builtin_arm_mcrr(15, 0, b, 0);
+  __builtin_arm_mcrr( a, 0, b, c, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
-  __builtin_arm_mcrr( a, 0, b, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
+  __builtin_arm_mcrr(15, a, b, c, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
-  __builtin_arm_mcrr(15, a, b, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
+  __builtin_arm_mcrr(15, 0, b, c, a); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
-  __builtin_arm_mcrr(15, 0, b, a); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
 
-  __builtin_arm_mcrr2(15, 0, b, 0);
+  __builtin_arm_mcrr2( a, 0, b, c, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
-  __builtin_arm_mcrr2( a, 0, b, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
+  __builtin_arm_mcrr2(15, a, b, c, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
-  __builtin_arm_mcrr2(15, a, b, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
+  __builtin_arm_mcrr2(15, 0, b, c, a); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
-  __builtin_arm_mcrr2(15, 0, b, a); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
-
-  __builtin_arm_mrrc(15, 0, 0);
-  __builtin_arm_mrrc( a, 0, 0); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
-  __builtin_arm_mrrc(15, a, 0); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
-  __builtin_arm_mrrc(15, 0, a); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
-
-  __builtin_arm_mrrc2(15, 0, 0);
-  __builtin_arm_mrrc2( a, 0, 0); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
-  __builtin_arm_mrrc2(15, a, 0); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
-  __builtin_arm_mrrc2(15, 0, a); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
 }