[llvm] 0be3da1 - [RISCV] Add intrinsic for Zbt extension
Ben Shi via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 20 00:27:17 PST 2022
Author: Chenbing.Zheng
Date: 2022-01-20T08:27:05Z
New Revision: 0be3da1fab5a88d497081026fbcab7c0f6c88ef4
URL: https://github.com/llvm/llvm-project/commit/0be3da1fab5a88d497081026fbcab7c0f6c88ef4
DIFF: https://github.com/llvm/llvm-project/commit/0be3da1fab5a88d497081026fbcab7c0f6c88ef4.diff
LOG: [RISCV] Add intrinsic for Zbt extension
RV32: fsl, fsr, fsri
RV64: fsl, fsr, fsri, fslw, fsrw, fsriw
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D117468
Added:
clang/test/CodeGen/RISCV/rvb-intrinsics/riscv32-zbt.c
clang/test/CodeGen/RISCV/rvb-intrinsics/riscv64-zbt.c
llvm/test/CodeGen/RISCV/rv32zbt-intrinsic.ll
llvm/test/CodeGen/RISCV/rv64zbt-intrinsic.ll
Modified:
clang/include/clang/Basic/BuiltinsRISCV.def
clang/lib/CodeGen/CGBuiltin.cpp
llvm/include/llvm/IR/IntrinsicsRISCV.td
llvm/lib/Target/RISCV/RISCVISelLowering.cpp
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/BuiltinsRISCV.def b/clang/include/clang/Basic/BuiltinsRISCV.def
index 568ab0bbaec78..495a036e576f8 100644
--- a/clang/include/clang/Basic/BuiltinsRISCV.def
+++ b/clang/include/clang/Basic/BuiltinsRISCV.def
@@ -61,5 +61,11 @@ TARGET_BUILTIN(__builtin_riscv_crc32c_w, "LiLi", "nc", "experimental-zbr")
TARGET_BUILTIN(__builtin_riscv_crc32_d, "LiLi", "nc", "experimental-zbr,64bit")
TARGET_BUILTIN(__builtin_riscv_crc32c_d, "LiLi", "nc", "experimental-zbr,64bit")
+// Zbt extension
+TARGET_BUILTIN(__builtin_riscv_fsl_32, "LiLiLiLi", "nc", "experimental-zbt")
+TARGET_BUILTIN(__builtin_riscv_fsr_32, "LiLiLiLi", "nc", "experimental-zbt")
+TARGET_BUILTIN(__builtin_riscv_fsl_64, "WiWiWiWi", "nc", "experimental-zbt,64bit")
+TARGET_BUILTIN(__builtin_riscv_fsr_64, "WiWiWiWi", "nc", "experimental-zbt,64bit")
+
#undef BUILTIN
#undef TARGET_BUILTIN
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index f9633f875b616..a49c035002786 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18853,7 +18853,11 @@ Value *CodeGenFunction::EmitRISCVBuiltinExpr(unsigned BuiltinID,
case RISCV::BI__builtin_riscv_crc32c_b:
case RISCV::BI__builtin_riscv_crc32c_h:
case RISCV::BI__builtin_riscv_crc32c_w:
- case RISCV::BI__builtin_riscv_crc32c_d: {
+ case RISCV::BI__builtin_riscv_crc32c_d:
+ case RISCV::BI__builtin_riscv_fsl_32:
+ case RISCV::BI__builtin_riscv_fsr_32:
+ case RISCV::BI__builtin_riscv_fsl_64:
+ case RISCV::BI__builtin_riscv_fsr_64: {
switch (BuiltinID) {
default: llvm_unreachable("unexpected builtin ID");
// Zbb
@@ -18944,6 +18948,16 @@ Value *CodeGenFunction::EmitRISCVBuiltinExpr(unsigned BuiltinID,
case RISCV::BI__builtin_riscv_crc32c_d:
ID = Intrinsic::riscv_crc32c_d;
break;
+
+ // Zbt
+ case RISCV::BI__builtin_riscv_fsl_32:
+ case RISCV::BI__builtin_riscv_fsl_64:
+ ID = Intrinsic::riscv_fsl;
+ break;
+ case RISCV::BI__builtin_riscv_fsr_32:
+ case RISCV::BI__builtin_riscv_fsr_64:
+ ID = Intrinsic::riscv_fsr;
+ break;
}
IntrinsicTypes = {ResultType};
diff --git a/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv32-zbt.c b/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv32-zbt.c
new file mode 100644
index 0000000000000..74734cbff5e1f
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv32-zbt.c
@@ -0,0 +1,54 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 -triple riscv32 -target-feature +experimental-zbt -emit-llvm %s -o - \
+// RUN: | FileCheck %s -check-prefix=RV32ZBT
+
+// RV32ZBT-LABEL: @fsl(
+// RV32ZBT-NEXT: entry:
+// RV32ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: store i32 [[RS3:%.*]], i32* [[RS3_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP2:%.*]] = load i32, i32* [[RS3_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP3:%.*]] = call i32 @llvm.riscv.fsl.i32(i32 [[TMP0]], i32 [[TMP1]], i32 [[TMP2]])
+// RV32ZBT-NEXT: ret i32 [[TMP3]]
+//
+int fsl(int rs1, int rs2, int rs3) {
+ return __builtin_riscv_fsl_32(rs1, rs2, rs3);
+}
+
+// RV32ZBT-LABEL: @fsr(
+// RV32ZBT-NEXT: entry:
+// RV32ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: store i32 [[RS3:%.*]], i32* [[RS3_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP2:%.*]] = load i32, i32* [[RS3_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP3:%.*]] = call i32 @llvm.riscv.fsr.i32(i32 [[TMP0]], i32 [[TMP1]], i32 [[TMP2]])
+// RV32ZBT-NEXT: ret i32 [[TMP3]]
+//
+int fsr(int rs1, int rs2, int rs3) {
+ return __builtin_riscv_fsr_32(rs1, rs2, rs3);
+}
+
+// RV32ZBT-LABEL: @fsri(
+// RV32ZBT-NEXT: entry:
+// RV32ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV32ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV32ZBT-NEXT: [[TMP2:%.*]] = call i32 @llvm.riscv.fsr.i32(i32 [[TMP0]], i32 [[TMP1]], i32 15)
+// RV32ZBT-NEXT: ret i32 [[TMP2]]
+//
+int fsri(int rs1, int rs2) {
+ return __builtin_riscv_fsr_32(rs1, rs2, 15);
+}
diff --git a/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv64-zbt.c b/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv64-zbt.c
new file mode 100644
index 0000000000000..fb2538d5f4a18
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvb-intrinsics/riscv64-zbt.c
@@ -0,0 +1,116 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 -triple riscv64 -target-feature +experimental-zbt -emit-llvm %s -o - \
+// RUN: | FileCheck %s -check-prefix=RV64ZBT
+
+// RV64ZBT-LABEL: @fsl(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: store i32 [[RS3:%.*]], i32* [[RS3_ADDR]], align 4
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV:%.*]] = sext i32 [[TMP0]] to i64
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV1:%.*]] = sext i32 [[TMP1]] to i64
+// RV64ZBT-NEXT: [[TMP2:%.*]] = load i32, i32* [[RS3_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV2:%.*]] = sext i32 [[TMP2]] to i64
+// RV64ZBT-NEXT: [[TMP3:%.*]] = call i64 @llvm.riscv.fsl.i64(i64 [[CONV]], i64 [[CONV1]], i64 [[CONV2]])
+// RV64ZBT-NEXT: [[CONV3:%.*]] = trunc i64 [[TMP3]] to i32
+// RV64ZBT-NEXT: ret i32 [[CONV3]]
+//
+int fsl(int rs1, int rs2, int rs3) {
+ return __builtin_riscv_fsl_32(rs1, rs2, rs3);
+}
+
+// RV64ZBT-LABEL: @fsr(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: store i32 [[RS3:%.*]], i32* [[RS3_ADDR]], align 4
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV:%.*]] = sext i32 [[TMP0]] to i64
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV1:%.*]] = sext i32 [[TMP1]] to i64
+// RV64ZBT-NEXT: [[TMP2:%.*]] = load i32, i32* [[RS3_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV2:%.*]] = sext i32 [[TMP2]] to i64
+// RV64ZBT-NEXT: [[TMP3:%.*]] = call i64 @llvm.riscv.fsr.i64(i64 [[CONV]], i64 [[CONV1]], i64 [[CONV2]])
+// RV64ZBT-NEXT: [[CONV3:%.*]] = trunc i64 [[TMP3]] to i32
+// RV64ZBT-NEXT: ret i32 [[CONV3]]
+//
+int fsr(int rs1, int rs2, int rs3) {
+ return __builtin_riscv_fsr_32(rs1, rs2, rs3);
+}
+
+// RV64ZBT-LABEL: @fsri(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i32, align 4
+// RV64ZBT-NEXT: store i32 [[RS1:%.*]], i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: store i32 [[RS2:%.*]], i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i32, i32* [[RS1_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV:%.*]] = sext i32 [[TMP0]] to i64
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i32, i32* [[RS2_ADDR]], align 4
+// RV64ZBT-NEXT: [[CONV1:%.*]] = sext i32 [[TMP1]] to i64
+// RV64ZBT-NEXT: [[TMP2:%.*]] = call i64 @llvm.riscv.fsr.i64(i64 [[CONV]], i64 [[CONV1]], i64 15)
+// RV64ZBT-NEXT: [[CONV2:%.*]] = trunc i64 [[TMP2]] to i32
+// RV64ZBT-NEXT: ret i32 [[CONV2]]
+//
+int fsri(int rs1, int rs2) {
+ return __builtin_riscv_fsr_32(rs1, rs2, 15);
+}
+
+// RV64ZBT-LABEL: @fslw(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: store i64 [[RS1:%.*]], i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: store i64 [[RS2:%.*]], i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: store i64 [[RS3:%.*]], i64* [[RS3_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i64, i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i64, i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP2:%.*]] = load i64, i64* [[RS3_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP3:%.*]] = call i64 @llvm.riscv.fsl.i64(i64 [[TMP0]], i64 [[TMP1]], i64 [[TMP2]])
+// RV64ZBT-NEXT: ret i64 [[TMP3]]
+//
+long fslw(long rs1, long rs2, long rs3) {
+ return __builtin_riscv_fsl_64(rs1, rs2, rs3);
+}
+
+// RV64ZBT-LABEL: @fsrw(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: [[RS3_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: store i64 [[RS1:%.*]], i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: store i64 [[RS2:%.*]], i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: store i64 [[RS3:%.*]], i64* [[RS3_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i64, i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i64, i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP2:%.*]] = load i64, i64* [[RS3_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP3:%.*]] = call i64 @llvm.riscv.fsr.i64(i64 [[TMP0]], i64 [[TMP1]], i64 [[TMP2]])
+// RV64ZBT-NEXT: ret i64 [[TMP3]]
+//
+long fsrw(long rs1, long rs2, long rs3) {
+ return __builtin_riscv_fsr_64(rs1, rs2, rs3);
+}
+
+// RV64ZBT-LABEL: @fsriw(
+// RV64ZBT-NEXT: entry:
+// RV64ZBT-NEXT: [[RS1_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: [[RS2_ADDR:%.*]] = alloca i64, align 8
+// RV64ZBT-NEXT: store i64 [[RS1:%.*]], i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: store i64 [[RS2:%.*]], i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP0:%.*]] = load i64, i64* [[RS1_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP1:%.*]] = load i64, i64* [[RS2_ADDR]], align 8
+// RV64ZBT-NEXT: [[TMP2:%.*]] = call i64 @llvm.riscv.fsr.i64(i64 [[TMP0]], i64 [[TMP1]], i64 15)
+// RV64ZBT-NEXT: ret i64 [[TMP2]]
+//
+long fsriw(long rs1, long rs2) {
+ return __builtin_riscv_fsr_64(rs1, rs2, 15);
+}
diff --git a/llvm/include/llvm/IR/IntrinsicsRISCV.td b/llvm/include/llvm/IR/IntrinsicsRISCV.td
index 10bcb38a6b136..c332eb82a5906 100644
--- a/llvm/include/llvm/IR/IntrinsicsRISCV.td
+++ b/llvm/include/llvm/IR/IntrinsicsRISCV.td
@@ -80,6 +80,10 @@ let TargetPrefix = "riscv" in {
: Intrinsic<[llvm_any_ty],
[LLVMMatchType<0>, LLVMMatchType<0>],
[IntrNoMem, IntrSpeculatable, IntrWillReturn]>;
+ class BitManipGPRGPRGRIntrinsics
+ : Intrinsic<[llvm_any_ty],
+ [LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>],
+ [IntrNoMem, IntrSpeculatable, IntrWillReturn]>;
// Zbb
def int_riscv_orc_b : BitManipGPRIntrinsics;
@@ -115,6 +119,10 @@ let TargetPrefix = "riscv" in {
def int_riscv_crc32c_h : BitManipGPRIntrinsics;
def int_riscv_crc32c_w : BitManipGPRIntrinsics;
def int_riscv_crc32c_d : BitManipGPRIntrinsics;
+
+ // Zbt
+ def int_riscv_fsl : BitManipGPRGPRGRIntrinsics;
+ def int_riscv_fsr : BitManipGPRGPRGRIntrinsics;
} // TargetPrefix = "riscv"
//===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 4e4236678402d..bbce828876770 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -4258,6 +4258,12 @@ SDValue RISCVTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
case Intrinsic::riscv_bfp:
return DAG.getNode(RISCVISD::BFP, DL, XLenVT, Op.getOperand(1),
Op.getOperand(2));
+ case Intrinsic::riscv_fsl:
+ return DAG.getNode(RISCVISD::FSL, DL, XLenVT, Op.getOperand(1),
+ Op.getOperand(2), Op.getOperand(3));
+ case Intrinsic::riscv_fsr:
+ return DAG.getNode(RISCVISD::FSR, DL, XLenVT, Op.getOperand(1),
+ Op.getOperand(2), Op.getOperand(3));
case Intrinsic::riscv_vmv_x_s:
assert(Op.getValueType() == XLenVT && "Unexpected VT!");
return DAG.getNode(RISCVISD::VMV_X_S, DL, Op.getValueType(),
@@ -5845,6 +5851,10 @@ static RISCVISD::NodeType getRISCVWOpcodeByIntr(unsigned IntNo) {
return RISCVISD::BDECOMPRESSW;
case Intrinsic::riscv_bfp:
return RISCVISD::BFPW;
+ case Intrinsic::riscv_fsl:
+ return RISCVISD::FSLW;
+ case Intrinsic::riscv_fsr:
+ return RISCVISD::FSRW;
}
}
@@ -6338,6 +6348,21 @@ void RISCVTargetLowering::ReplaceNodeResults(SDNode *N,
Results.push_back(customLegalizeToWOpByIntr(N, DAG, IntNo));
break;
}
+ case Intrinsic::riscv_fsl:
+ case Intrinsic::riscv_fsr: {
+ assert(N->getValueType(0) == MVT::i32 && Subtarget.is64Bit() &&
+ "Unexpected custom legalisation");
+ SDValue NewOp1 =
+ DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, N->getOperand(1));
+ SDValue NewOp2 =
+ DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, N->getOperand(2));
+ SDValue NewOp3 =
+ DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i64, N->getOperand(3));
+ unsigned Opc = getRISCVWOpcodeByIntr(IntNo);
+ SDValue Res = DAG.getNode(Opc, DL, MVT::i64, NewOp1, NewOp2, NewOp3);
+ Results.push_back(DAG.getNode(ISD::TRUNCATE, DL, MVT::i32, Res));
+ break;
+ }
case Intrinsic::riscv_orc_b: {
// Lower to the GORCI encoding for orc.b with the operand extended.
SDValue NewOp =
diff --git a/llvm/test/CodeGen/RISCV/rv32zbt-intrinsic.ll b/llvm/test/CodeGen/RISCV/rv32zbt-intrinsic.ll
new file mode 100644
index 0000000000000..968ac227ec770
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rv32zbt-intrinsic.ll
@@ -0,0 +1,43 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-zbt -verify-machineinstrs < %s \
+; RUN: | FileCheck %s -check-prefix=RV32ZBT
+
+declare i32 @llvm.riscv.fsl.i32(i32, i32, i32)
+
+define i32 @fsl_i32(i32 %a, i32 %b, i32 %c) nounwind {
+; RV32ZBT-LABEL: fsl_i32:
+; RV32ZBT: # %bb.0:
+; RV32ZBT-NEXT: fsl a0, a0, a1, a2
+; RV32ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsl.i32(i32 %a, i32 %b, i32 %c)
+ ret i32 %1
+}
+
+declare i32 @llvm.riscv.fsr.i32(i32, i32, i32)
+
+define i32 @fsr_i32(i32 %a, i32 %b, i32 %c) nounwind {
+; RV32ZBT-LABEL: fsr_i32:
+; RV32ZBT: # %bb.0:
+; RV32ZBT-NEXT: fsr a0, a0, a1, a2
+; RV32ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsr.i32(i32 %a, i32 %b, i32 %c)
+ ret i32 %1
+}
+
+define i32 @fsli_i32(i32 %a, i32 %b) nounwind {
+; RV32ZBT-LABEL: fsli_i32:
+; RV32ZBT: # %bb.0:
+; RV32ZBT-NEXT: fsri a0, a1, a0, 27
+; RV32ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsl.i32(i32 %a, i32 %b, i32 5)
+ ret i32 %1
+}
+
+define i32 @fsri_i32(i32 %a, i32 %b) nounwind {
+; RV32ZBT-LABEL: fsri_i32:
+; RV32ZBT: # %bb.0:
+; RV32ZBT-NEXT: fsri a0, a0, a1, 15
+; RV32ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsr.i32(i32 %a, i32 %b, i32 15)
+ ret i32 %1
+}
diff --git a/llvm/test/CodeGen/RISCV/rv64zbt-intrinsic.ll b/llvm/test/CodeGen/RISCV/rv64zbt-intrinsic.ll
new file mode 100644
index 0000000000000..a22212be90dc2
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rv64zbt-intrinsic.ll
@@ -0,0 +1,83 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbt -verify-machineinstrs < %s \
+; RUN: | FileCheck %s -check-prefix=RV64ZBT
+
+declare i32 @llvm.riscv.fsl.i32(i32, i32, i32)
+
+define i32 @fsl_i32(i32 %a, i32 %b, i32 %c) nounwind {
+; RV64ZBT-LABEL: fsl_i32:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fslw a0, a0, a1, a2
+; RV64ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsl.i32(i32 %a, i32 %b, i32 %c)
+ ret i32 %1
+}
+
+declare i32 @llvm.riscv.fsr.i32(i32, i32, i32)
+
+define i32 @fsr_i32(i32 %a, i32 %b, i32 %c) nounwind {
+; RV64ZBT-LABEL: fsr_i32:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsrw a0, a0, a1, a2
+; RV64ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsr.i32(i32 %a, i32 %b, i32 %c)
+ ret i32 %1
+}
+
+define i32 @fsli_i32(i32 %a, i32 %b) nounwind {
+; RV64ZBT-LABEL: fsli_i32:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsriw a0, a1, a0, 27
+; RV64ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsl.i32(i32 %a, i32 %b, i32 5)
+ ret i32 %1
+}
+
+define i32 @fsri_i32(i32 %a, i32 %b) nounwind {
+; RV64ZBT-LABEL: fsri_i32:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsriw a0, a0, a1, 15
+; RV64ZBT-NEXT: ret
+ %1 = call i32 @llvm.riscv.fsr.i32(i32 %a, i32 %b, i32 15)
+ ret i32 %1
+}
+
+declare i64 @llvm.riscv.fsl.i64(i64, i64, i64)
+
+define i64 @fsl_i64(i64 %a, i64 %b, i64 %c) nounwind {
+; RV64ZBT-LABEL: fsl_i64:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsl a0, a0, a1, a2
+; RV64ZBT-NEXT: ret
+ %1 = call i64 @llvm.riscv.fsl.i64(i64 %a, i64 %b, i64 %c)
+ ret i64 %1
+}
+
+declare i64 @llvm.riscv.fsr.i64(i64, i64, i64)
+
+define i64 @fsr_i64(i64 %a, i64 %b, i64 %c) nounwind {
+; RV64ZBT-LABEL: fsr_i64:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsr a0, a0, a1, a2
+; RV64ZBT-NEXT: ret
+ %1 = call i64 @llvm.riscv.fsr.i64(i64 %a, i64 %b, i64 %c)
+ ret i64 %1
+}
+
+define i64 @fsli_i64(i64 %a, i64 %b) nounwind {
+; RV64ZBT-LABEL: fsli_i64:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsri a0, a1, a0, 49
+; RV64ZBT-NEXT: ret
+ %1 = call i64 @llvm.riscv.fsl.i64(i64 %a, i64 %b, i64 15)
+ ret i64 %1
+}
+
+define i64 @fsri_i64(i64 %a, i64 %b) nounwind {
+; RV64ZBT-LABEL: fsri_i64:
+; RV64ZBT: # %bb.0:
+; RV64ZBT-NEXT: fsri a0, a0, a1, 5
+; RV64ZBT-NEXT: ret
+ %1 = call i64 @llvm.riscv.fsr.i64(i64 %a, i64 %b, i64 5)
+ ret i64 %1
+}
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