[clang] [CIR][RISCV] Support zksh builtin codegen (PR #196463)

2026-05-09 Thread Andy Kaylor via cfe-commits 

https://github.com/andykaylor approved this pull request.

lgtm

https://github.com/llvm/llvm-project/pull/196463
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[clang] [CIR][RISCV] Support zksh builtin codegen (PR #196463)

2026-05-09 Thread via cfe-commits 

llvmorg-github-actions[bot] wrote:




@llvm/pr-subscribers-backend-risc-v

Author: Jianjian Guan (jacquesguan)


Changes



---
Full diff: https://github.com/llvm/llvm-project/pull/196463.diff


2 Files Affected:

- (modified) clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp (+8-2) 
- (added) clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c (+26) 


``diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp 
b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
index bd9202705d147..6793e3b11cef2 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
@@ -121,8 +121,14 @@ CIRGenFunction::emitRISCVBuiltinExpr(unsigned builtinID, 
const CallExpr *e) {
 break;
   }
   // Zksh
-  case RISCV::BI__builtin_riscv_sm3p0:
-  case RISCV::BI__builtin_riscv_sm3p1:
+  case RISCV::BI__builtin_riscv_sm3p0: {
+intrinsicName = "riscv.sm3p0";
+break;
+  }
+  case RISCV::BI__builtin_riscv_sm3p1: {
+intrinsicName = "riscv.sm3p1";
+break;
+  }
   // Zbb
   case RISCV::BI__builtin_riscv_clz_32:
   case RISCV::BI__builtin_riscv_clz_64:
diff --git a/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c 
b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
new file mode 100644
index 0..97417ae038831
--- /dev/null
+++ b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p0(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p0" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p0(
+// LLVM: call i32 @llvm.riscv.sm3p0(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p0(unsigned int a) {
+  return __builtin_riscv_sm3p0(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p1(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p1" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p1(
+// LLVM: call i32 @llvm.riscv.sm3p1(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p1(unsigned int a) {
+  return __builtin_riscv_sm3p1(a);
+}

``




https://github.com/llvm/llvm-project/pull/196463
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[clang] [CIR][RISCV] Support zksh builtin codegen (PR #196463)

2026-05-09 Thread Jianjian Guan via cfe-commits 

https://github.com/jacquesguan closed 
https://github.com/llvm/llvm-project/pull/196463
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[clang] [CIR][RISCV] Support zksh builtin codegen (PR #196463)

2026-05-08 Thread via cfe-commits 

llvmorg-github-actions[bot] wrote:




@llvm/pr-subscribers-clang

Author: Jianjian Guan (jacquesguan)


Changes



---
Full diff: https://github.com/llvm/llvm-project/pull/196463.diff


2 Files Affected:

- (modified) clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp (+8-2) 
- (added) clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c (+26) 


``diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp 
b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
index bd9202705d147..6793e3b11cef2 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
@@ -121,8 +121,14 @@ CIRGenFunction::emitRISCVBuiltinExpr(unsigned builtinID, 
const CallExpr *e) {
 break;
   }
   // Zksh
-  case RISCV::BI__builtin_riscv_sm3p0:
-  case RISCV::BI__builtin_riscv_sm3p1:
+  case RISCV::BI__builtin_riscv_sm3p0: {
+intrinsicName = "riscv.sm3p0";
+break;
+  }
+  case RISCV::BI__builtin_riscv_sm3p1: {
+intrinsicName = "riscv.sm3p1";
+break;
+  }
   // Zbb
   case RISCV::BI__builtin_riscv_clz_32:
   case RISCV::BI__builtin_riscv_clz_64:
diff --git a/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c 
b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
new file mode 100644
index 0..97417ae038831
--- /dev/null
+++ b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p0(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p0" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p0(
+// LLVM: call i32 @llvm.riscv.sm3p0(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p0(unsigned int a) {
+  return __builtin_riscv_sm3p0(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p1(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p1" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p1(
+// LLVM: call i32 @llvm.riscv.sm3p1(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p1(unsigned int a) {
+  return __builtin_riscv_sm3p1(a);
+}

``




https://github.com/llvm/llvm-project/pull/196463
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[clang] [CIR][RISCV] Support zksh builtin codegen (PR #196463)

2026-05-08 Thread Jianjian Guan via cfe-commits 

https://github.com/jacquesguan created 
https://github.com/llvm/llvm-project/pull/196463

None

>From 1693090dcf07ac69bb367ed1a2201dde7bc850c7 Mon Sep 17 00:00:00 2001
From: Jianjian GUAN 
Date: Fri, 8 May 2026 10:04:31 +0800
Subject: [PATCH] [CIR][RISCV] Support zksh builtin codegen

---
 clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp  | 10 +--
 .../CIR/CodeGenBuiltins/RISCV/riscv-zksh.c| 26 +++
 2 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c

diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp 
b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
index bd9202705d147..6793e3b11cef2 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
@@ -121,8 +121,14 @@ CIRGenFunction::emitRISCVBuiltinExpr(unsigned builtinID, 
const CallExpr *e) {
 break;
   }
   // Zksh
-  case RISCV::BI__builtin_riscv_sm3p0:
-  case RISCV::BI__builtin_riscv_sm3p1:
+  case RISCV::BI__builtin_riscv_sm3p0: {
+intrinsicName = "riscv.sm3p0";
+break;
+  }
+  case RISCV::BI__builtin_riscv_sm3p1: {
+intrinsicName = "riscv.sm3p1";
+break;
+  }
   // Zbb
   case RISCV::BI__builtin_riscv_clz_32:
   case RISCV::BI__builtin_riscv_clz_64:
diff --git a/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c 
b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
new file mode 100644
index 0..97417ae038831
--- /dev/null
+++ b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zksh.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zksh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=LLVM
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p0(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p0" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p0(
+// LLVM: call i32 @llvm.riscv.sm3p0(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p0(unsigned int a) {
+  return __builtin_riscv_sm3p0(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sm3p1(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sm3p1" {{%.*}} : (!u32i) -> 
!u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sm3p1(
+// LLVM: call i32 @llvm.riscv.sm3p1(i32 {{%.*}})
+// LLVM: ret i32
+unsigned int test_builtin_sm3p1(unsigned int a) {
+  return __builtin_riscv_sm3p1(a);
+}

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