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[CIR][CodeGen] Replace LLVMIntrinsicCallOp with ACosOp in __builtin_elementwise_acos #1507

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Merged
merged 9 commits into from
Mar 21, 2025
Merged

[CIR][CodeGen] Replace LLVMIntrinsicCallOp with ACosOp in __builtin_elementwise_acos #1507

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dcaf002
replace builtin_acos_op with cir_acos_op
ayokunle321 Mar 20, 2025
c29b664
add test for throughmlir
ayokunle321 Mar 20, 2025
9780340
replaced LLVM_ACosOp with MATH_AcosOp
ayokunle321 Mar 20, 2025
6952144
removed lowering logic
ayokunle321 Mar 20, 2025
417b8c6
fix style
ayokunle321 Mar 20, 2025
341bd2e
add new line
ayokunle321 Mar 20, 2025
a9eb740
replace contrained function
ayokunle321 Mar 20, 2025
e0e4dba
add maybe_unused tag on function
ayokunle321 Mar 20, 2025
2e743d2
fix style
ayokunle321 Mar 20, 2025
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1 change: 1 addition & 0 deletions clang/include/clang/CIR/Dialect/IR/CIROps.td
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Expand Up @@ -4738,6 +4738,7 @@ class UnaryFPToFPBuiltinOp<string mnemonic, string llvmOpName>
}

def CeilOp : UnaryFPToFPBuiltinOp<"ceil", "FCeilOp">;
def ACosOp : UnaryFPToFPBuiltinOp<"acos", "ACosOp">;
def CosOp : UnaryFPToFPBuiltinOp<"cos", "CosOp">;
def ExpOp : UnaryFPToFPBuiltinOp<"exp", "ExpOp">;
def Exp2Op : UnaryFPToFPBuiltinOp<"exp2", "Exp2Op">;
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2 changes: 1 addition & 1 deletion clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
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Expand Up @@ -1400,7 +1400,7 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
return RValue::get(result);
}
case Builtin::BI__builtin_elementwise_acos: {
return emitBuiltinWithOneOverloadedType<1>(E, "acos");
return emitUnaryFPBuiltin<cir::ACosOp>(*this, *E);
}
case Builtin::BI__builtin_elementwise_asin:
llvm_unreachable("BI__builtin_elementwise_asin NYI");
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4 changes: 2 additions & 2 deletions clang/lib/CIR/CodeGen/CIRGenFunction.h
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Expand Up @@ -1451,8 +1451,8 @@ class CIRGenFunction : public CIRGenTypeCache {
const clang::CallExpr *E, ReturnValueSlot ReturnValue);
RValue emitRotate(const CallExpr *E, bool IsRotateRight);
template <uint32_t N>
RValue emitBuiltinWithOneOverloadedType(const CallExpr *E,
llvm::StringRef Name) {
[[maybe_unused]] RValue
emitBuiltinWithOneOverloadedType(const CallExpr *E, llvm::StringRef Name) {
static_assert(N, "expect non-empty argument");
mlir::Type cirTy = convertType(E->getArg(0)->getType());
SmallVector<mlir::Value, N> args;
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8 changes: 4 additions & 4 deletions clang/test/CIR/CodeGen/builtins-elementwise.c
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Expand Up @@ -41,19 +41,19 @@ void test_builtin_elementwise_acos(float f, double d, vfloat4 vf4,
vdouble4 vd4) {
// CIR-LABEL: test_builtin_elementwise_acos
// LLVM-LABEL: test_builtin_elementwise_acos
// CIR: {{%.*}} = cir.llvm.intrinsic "acos" {{%.*}} : (!cir.float) -> !cir.float
// CIR: {{%.*}} = cir.acos {{%.*}} : !cir.float
// LLVM: {{%.*}} = call float @llvm.acos.f32(float {{%.*}})
f = __builtin_elementwise_acos(f);

// CIR: {{%.*}} = cir.llvm.intrinsic "acos" {{%.*}} : (!cir.double) -> !cir.double
// CIR: {{%.*}} = cir.acos {{%.*}} : !cir.double
// LLVM: {{%.*}} = call double @llvm.acos.f64(double {{%.*}})
d = __builtin_elementwise_acos(d);

// CIR: {{%.*}} = cir.llvm.intrinsic "acos" {{%.*}} : (!cir.vector<!cir.float x 4>) -> !cir.vector<!cir.float x 4>
// CIR: {{%.*}} = cir.acos {{%.*}} : !cir.vector<!cir.float x 4>
// LLVM: {{%.*}} = call <4 x float> @llvm.acos.v4f32(<4 x float> {{%.*}})
vf4 = __builtin_elementwise_acos(vf4);

// CIR: {{%.*}} = cir.llvm.intrinsic "acos" {{%.*}} : (!cir.vector<!cir.double x 4>) -> !cir.vector<!cir.double x 4>
// CIR: {{%.*}} = cir.acos {{%.*}} : !cir.vector<!cir.double x 4>
// LLVM: {{%.*}} = call <4 x double> @llvm.acos.v4f64(<4 x double> {{%.*}})
vd4 = __builtin_elementwise_acos(vd4);
}
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