[AArch64] Use generic bitreverse intrinsic, rather than AArch64 specific.

Differential Revision: https://reviews.llvm.org/D28400

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@291574 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 4d34b3e9222f6e7d9631288d1daebafd16736998..f297d622c332862f5c902aa014d17b2c9b760b5c 100644 (file)
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -5226,14 +5226,14 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
            "rbit of unusual size!");
     llvm::Value *Arg = EmitScalarExpr(E->getArg(0));
     return Builder.CreateCall(
-        CGM.getIntrinsic(Intrinsic::aarch64_rbit, Arg->getType()), Arg, "rbit");
+        CGM.getIntrinsic(Intrinsic::bitreverse, Arg->getType()), Arg, "rbit");
   }
   if (BuiltinID == AArch64::BI__builtin_arm_rbit64) {
     assert((getContext().getTypeSize(E->getType()) == 64) &&
            "rbit of unusual size!");
     llvm::Value *Arg = EmitScalarExpr(E->getArg(0));
     return Builder.CreateCall(
-        CGM.getIntrinsic(Intrinsic::aarch64_rbit, Arg->getType()), Arg, "rbit");
+        CGM.getIntrinsic(Intrinsic::bitreverse, Arg->getType()), Arg, "rbit");
   }
 
   if (BuiltinID == AArch64::BI__clear_cache) {

diff --git a/test/CodeGen/arm_acle.c b/test/CodeGen/arm_acle.c
index 0884394fbf199ece1b8465a74ff90a8f58b13518..60e95e526695e4c21440b171e604b89848c67f16 100644 (file)
--- a/test/CodeGen/arm_acle.c
+++ b/test/CodeGen/arm_acle.c
@@ -245,14 +245,14 @@ int16_t test_revsh(int16_t t) {
 
 // ARM-LABEL: test_rbit
 // AArch32: call i32 @llvm.arm.rbit
-// AArch64: call i32 @llvm.aarch64.rbit.i32
+// AArch64: call i32 @llvm.bitreverse.i32
 uint32_t test_rbit(uint32_t t) {
   return __rbit(t);
 }
 
 // ARM-LABEL: test_rbitl
 // AArch32: call i32 @llvm.arm.rbit
-// AArch64: call i64 @llvm.aarch64.rbit.i64
+// AArch64: call i64 @llvm.bitreverse.i64
 long test_rbitl(long t) {
   return __rbitl(t);
 }
@@ -260,7 +260,7 @@ long test_rbitl(long t) {
 // ARM-LABEL: test_rbitll
 // AArch32: call i32 @llvm.arm.rbit
 // AArch32: call i32 @llvm.arm.rbit
-// AArch64: call i64 @llvm.aarch64.rbit.i64
+// AArch64: call i64 @llvm.bitreverse.i64
 uint64_t test_rbitll(uint64_t t) {
   return __rbitll(t);
 }

diff --git a/test/CodeGen/builtins-arm64.c b/test/CodeGen/builtins-arm64.c
index 20eb2abc94765e42533f3f2f70b19423272b9df5..dc5fb6f31cffe06b172f2ddb597a7a9b7bf307dc 100644 (file)
--- a/test/CodeGen/builtins-arm64.c
+++ b/test/CodeGen/builtins-arm64.c
@@ -10,12 +10,12 @@ void *tp (void) {
 // CHECK: call {{.*}} @llvm.thread.pointer()
 }
 
-// CHECK: call {{.*}} @llvm.aarch64.rbit.i32(i32 %a)
+// CHECK: call {{.*}} @llvm.bitreverse.i32(i32 %a)
 unsigned rbit(unsigned a) {
   return __builtin_arm_rbit(a);
 }
 
-// CHECK: call {{.*}} @llvm.aarch64.rbit.i64(i64 %a)
+// CHECK: call {{.*}} @llvm.bitreverse.i64(i64 %a)
 unsigned long long rbit64(unsigned long long a) {
   return __builtin_arm_rbit64(a);
 }