llvmorg-github-actions[bot] wrote:

<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang

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

Author: Jianjian Guan (jacquesguan)

<details>
<summary>Changes</summary>

Support sha256sig0, sha256sig1, sha256sum0, sha256sum1 builtins.

---
Full diff: https://github.com/llvm/llvm-project/pull/196013.diff


2 Files Affected:

- (modified) clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp (+16-4) 
- (added) clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zknh.c (+58) 


``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp 
b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
index bbd1cd8d04401..d0d747a838176 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinRISCV.cpp
@@ -95,10 +95,22 @@ CIRGenFunction::emitRISCVBuiltinExpr(unsigned builtinID, 
const CallExpr *e) {
     break;
   }
   // Zknh
-  case RISCV::BI__builtin_riscv_sha256sig0:
-  case RISCV::BI__builtin_riscv_sha256sig1:
-  case RISCV::BI__builtin_riscv_sha256sum0:
-  case RISCV::BI__builtin_riscv_sha256sum1:
+  case RISCV::BI__builtin_riscv_sha256sig0: {
+    intrinsicName = "riscv.sha256sig0";
+    break;
+  }
+  case RISCV::BI__builtin_riscv_sha256sig1: {
+    intrinsicName = "riscv.sha256sig1";
+    break;
+  }
+  case RISCV::BI__builtin_riscv_sha256sum0: {
+    intrinsicName = "riscv.sha256sum0";
+    break;
+  }
+  case RISCV::BI__builtin_riscv_sha256sum1: {
+    intrinsicName = "riscv.sha256sum1";
+    break;
+  }
   // Zksed
   case RISCV::BI__builtin_riscv_sm4ks:
   case RISCV::BI__builtin_riscv_sm4ed:
diff --git a/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zknh.c 
b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zknh.c
new file mode 100644
index 0000000000000..1c08ac4811808
--- /dev/null
+++ b/clang/test/CIR/CodeGenBuiltins/RISCV/riscv-zknh.c
@@ -0,0 +1,58 @@
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zknh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zknh -fclangir -emit-cir 
%s -o - | FileCheck %s --check-prefixes=CIR
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zknh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zknh -fclangir -emit-llvm 
%s -o - | FileCheck %s --check-prefixes=LLVM
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zknh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=OGCG
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zknh -emit-llvm %s -o - | 
FileCheck %s --check-prefixes=OGCG
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sha256sig0(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sha256sig0" {{%.*}} : (!u32i) 
-> !u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sha256sig0(
+// LLVM: call i32 @llvm.riscv.sha256sig0(i32 {{%.*}})
+// LLVM: ret i32
+// OGCG-LABEL: @test_builtin_sha256sig0(
+// OGCG: call i32 @llvm.riscv.sha256sig0(i32 {{%.*}})
+// OGCG: ret i32
+unsigned int test_builtin_sha256sig0(unsigned int a) {
+  return __builtin_riscv_sha256sig0(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sha256sig1(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sha256sig1" {{%.*}} : (!u32i) 
-> !u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sha256sig1(
+// LLVM: call i32 @llvm.riscv.sha256sig1(i32 {{%.*}})
+// LLVM: ret i32
+// OGCG-LABEL: @test_builtin_sha256sig1(
+// OGCG: call i32 @llvm.riscv.sha256sig1(i32 {{%.*}})
+// OGCG: ret i32
+unsigned int test_builtin_sha256sig1(unsigned int a) {
+  return __builtin_riscv_sha256sig1(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sha256sum0(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sha256sum0" {{%.*}} : (!u32i) 
-> !u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sha256sum0(
+// LLVM: call i32 @llvm.riscv.sha256sum0(i32 {{%.*}})
+// LLVM: ret i32
+// OGCG-LABEL: @test_builtin_sha256sum0(
+// OGCG: call i32 @llvm.riscv.sha256sum0(i32 {{%.*}})
+// OGCG: ret i32
+unsigned int test_builtin_sha256sum0(unsigned int a) {
+  return __builtin_riscv_sha256sum0(a);
+}
+
+// CIR-LABEL: cir.func{{.*}} @test_builtin_sha256sum1(
+// CIR: {{%.*}} = cir.call_llvm_intrinsic "riscv.sha256sum1" {{%.*}} : (!u32i) 
-> !u32i
+// CIR: cir.return
+// LLVM-LABEL: @test_builtin_sha256sum1(
+// LLVM: call i32 @llvm.riscv.sha256sum1(i32 {{%.*}})
+// LLVM: ret i32
+// OGCG-LABEL: @test_builtin_sha256sum1(
+// OGCG: call i32 @llvm.riscv.sha256sum1(i32 {{%.*}})
+// OGCG: ret i32
+unsigned int test_builtin_sha256sum1(unsigned int a) {
+  return __builtin_riscv_sha256sum1(a);
+}

``````````

</details>


https://github.com/llvm/llvm-project/pull/196013
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