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

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

llvm-svn: 291574
This commit is contained in:
Chad Rosier
2017-01-10 17:20:28 +00:00
parent b7e2ee2aba
commit 5a4a1be690
3 changed files with 7 additions and 7 deletions
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4
clang/lib/CodeGen/CGBuiltin.cpp
View File

@@ -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) {

6
clang/test/CodeGen/arm_acle.c
View File

@@ -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);
}

4
clang/test/CodeGen/builtins-arm64.c
View File

@@ -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);
}