diff options
author | Thomas Lively <tlively@google.com> | 2018-10-05 00:54:44 +0000 |
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committer | Thomas Lively <tlively@google.com> | 2018-10-05 00:54:44 +0000 |
commit | 95b0c2ac32cceb978ff2c86446697d9a314c3f04 (patch) | |
tree | 4cb3803390977e9987a29daf245a9cb74e718777 | |
parent | a6ea113ee25127558ac86d768569ccf78a3447bf (diff) |
[WebAssembly] __builtin_wasm_extract_lane_* builtins
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits
Differential Revision: https://reviews.llvm.org/D52852
-rw-r--r-- | clang/include/clang/Basic/BuiltinsWebAssembly.def | 10 | ||||
-rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 30 | ||||
-rw-r--r-- | clang/test/CodeGen/builtins-wasm.c | 74 |
3 files changed, 110 insertions, 4 deletions
diff --git a/clang/include/clang/Basic/BuiltinsWebAssembly.def b/clang/include/clang/Basic/BuiltinsWebAssembly.def index d987af6492c..b5197a7c14d 100644 --- a/clang/include/clang/Basic/BuiltinsWebAssembly.def +++ b/clang/include/clang/Basic/BuiltinsWebAssembly.def @@ -39,4 +39,14 @@ BUILTIN(__builtin_wasm_atomic_wait_i32, "ii*iLLi", "n") BUILTIN(__builtin_wasm_atomic_wait_i64, "iLLi*LLiLLi", "n") BUILTIN(__builtin_wasm_atomic_notify, "Uii*i", "n") +// SIMD builtins +BUILTIN(__builtin_wasm_extract_lane_s_i8x16, "iV16cIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_u_i8x16, "iV16cIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_s_i16x8, "iV8sIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_u_i16x8, "iV8sIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_i32x4, "iV4iIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_i64x2, "LLiV2LLiIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_f32x4, "fV4fIi", "nc") +BUILTIN(__builtin_wasm_extract_lane_f64x2, "dV2dIi", "nc") + #undef BUILTIN diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index b59fa379d84..a52efd251b4 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -12444,6 +12444,36 @@ Value *CodeGenFunction::EmitWebAssemblyBuiltinExpr(unsigned BuiltinID, Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_atomic_notify); return Builder.CreateCall(Callee, {Addr, Count}); } + case WebAssembly::BI__builtin_wasm_extract_lane_s_i8x16: + case WebAssembly::BI__builtin_wasm_extract_lane_u_i8x16: + case WebAssembly::BI__builtin_wasm_extract_lane_s_i16x8: + case WebAssembly::BI__builtin_wasm_extract_lane_u_i16x8: + case WebAssembly::BI__builtin_wasm_extract_lane_i32x4: + case WebAssembly::BI__builtin_wasm_extract_lane_i64x2: + case WebAssembly::BI__builtin_wasm_extract_lane_f32x4: + case WebAssembly::BI__builtin_wasm_extract_lane_f64x2: { + llvm::APSInt LaneConst; + if (!E->getArg(1)->isIntegerConstantExpr(LaneConst, getContext())) + llvm_unreachable("Constant arg isn't actually constant?"); + Value *Vec = EmitScalarExpr(E->getArg(0)); + Value *Lane = llvm::ConstantInt::get(getLLVMContext(), LaneConst); + Value *Extract = Builder.CreateExtractElement(Vec, Lane); + switch (BuiltinID) { + case WebAssembly::BI__builtin_wasm_extract_lane_s_i8x16: + case WebAssembly::BI__builtin_wasm_extract_lane_s_i16x8: + return Builder.CreateSExt(Extract, ConvertType(E->getType())); + case WebAssembly::BI__builtin_wasm_extract_lane_u_i8x16: + case WebAssembly::BI__builtin_wasm_extract_lane_u_i16x8: + return Builder.CreateZExt(Extract, ConvertType(E->getType())); + case WebAssembly::BI__builtin_wasm_extract_lane_i32x4: + case WebAssembly::BI__builtin_wasm_extract_lane_i64x2: + case WebAssembly::BI__builtin_wasm_extract_lane_f32x4: + case WebAssembly::BI__builtin_wasm_extract_lane_f64x2: + return Extract; + default: + llvm_unreachable("unexpected builtin ID"); + } + } default: return nullptr; diff --git a/clang/test/CodeGen/builtins-wasm.c b/clang/test/CodeGen/builtins-wasm.c index 775bca374bc..a96f6705f73 100644 --- a/clang/test/CodeGen/builtins-wasm.c +++ b/clang/test/CodeGen/builtins-wasm.c @@ -1,7 +1,21 @@ -// RUN: %clang_cc1 -triple wasm32-unknown-unknown -O3 -emit-llvm -o - %s \ -// RUN: | FileCheck %s -check-prefix=WEBASSEMBLY32 -// RUN: %clang_cc1 -triple wasm64-unknown-unknown -O3 -emit-llvm -o - %s \ -// RUN: | FileCheck %s -check-prefix=WEBASSEMBLY64 +// RUN: %clang_cc1 -triple wasm32-unknown-unknown -fno-lax-vector-conversions \ +// RUN: -O3 -emit-llvm -o - %s \ +// RUN: | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY32 +// RUN: %clang_cc1 -triple wasm64-unknown-unknown -fno-lax-vector-conversions \ +// RUN: -O3 -emit-llvm -o - %s \ +// RUN: | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY64 + +// SIMD convenience types +typedef char i8x16 __attribute((vector_size(16))); +typedef short i16x8 __attribute((vector_size(16))); +typedef int i32x4 __attribute((vector_size(16))); +typedef long long i64x2 __attribute((vector_size(16))); +typedef unsigned char u8x16 __attribute((vector_size(16))); +typedef unsigned short u16x8 __attribute((vector_size(16))); +typedef unsigned int u32x4 __attribute((vector_size(16))); +typedef unsigned long long u64x2 __attribute((vector_size(16))); +typedef float f32x4 __attribute((vector_size(16))); +typedef double f64x2 __attribute((vector_size(16))); __SIZE_TYPE__ f0(void) { return __builtin_wasm_memory_size(0); @@ -68,3 +82,55 @@ unsigned int f10(int *addr, int count) { // WEBASSEMBLY32: call i32 @llvm.wasm.atomic.notify(i32* %{{.*}}, i32 %{{.*}}) // WEBASSEMBLY64: call i32 @llvm.wasm.atomic.notify(i32* %{{.*}}, i32 %{{.*}}) } + +int f11(i8x16 v) { + return __builtin_wasm_extract_lane_s_i8x16(v, 13); + // WEBASSEMBLY: extractelement <16 x i8> %v, i32 13 + // WEBASSEMBLY-NEXT: sext + // WEBASSEMBLY-NEXT: ret +} + +int f12(i8x16 v) { + return __builtin_wasm_extract_lane_u_i8x16(v, 13); + // WEBASSEMBLY: extractelement <16 x i8> %v, i32 13 + // WEBASSEMBLY-NEXT: zext + // WEBASSEMBLY-NEXT: ret +} + +int f13(i16x8 v) { + return __builtin_wasm_extract_lane_s_i16x8(v, 7); + // WEBASSEMBLY: extractelement <8 x i16> %v, i32 7 + // WEBASSEMBLY-NEXT: sext + // WEBASSEMBLY-NEXT: ret +} + +int f14(i16x8 v) { + return __builtin_wasm_extract_lane_u_i16x8(v, 7); + // WEBASSEMBLY: extractelement <8 x i16> %v, i32 7 + // WEBASSEMBLY-NEXT: zext + // WEBASSEMBLY-NEXT: ret +} + +int f15(i32x4 v) { + return __builtin_wasm_extract_lane_i32x4(v, 3); + // WEBASSEMBLY: extractelement <4 x i32> %v, i32 3 + // WEBASSEMBLY-NEXT: ret +} + +long long f16(i64x2 v) { + return __builtin_wasm_extract_lane_i64x2(v, 1); + // WEBASSEMBLY: extractelement <2 x i64> %v, i32 1 + // WEBASSEMBLY-NEXT: ret +} + +float f17(f32x4 v) { + return __builtin_wasm_extract_lane_f32x4(v, 3); + // WEBASSEMBLY: extractelement <4 x float> %v, i32 3 + // WEBASSEMBLY-NEXT: ret +} + +double f18(f64x2 v) { + return __builtin_wasm_extract_lane_f64x2(v, 1); + // WEBASSEMBLY: extractelement <2 x double> %v, i32 1 + // WEBASSEMBLY-NEXT: ret +} |