[llvm] r350789 - Revert "[WebAssembly] Add unimplemented-simd128 subtarget feature"
Thomas Lively via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 9 17:37:44 PST 2019
Author: tlively
Date: Wed Jan 9 17:37:44 2019
New Revision: 350789
URL: http://llvm.org/viewvc/llvm-project?rev=350789&view=rev
Log:
Revert "[WebAssembly] Add unimplemented-simd128 subtarget feature"
This reverts L350778.
Modified:
llvm/trunk/lib/Target/WebAssembly/WebAssembly.td
llvm/trunk/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h
llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
llvm/trunk/lib/Target/WebAssembly/WebAssemblySubtarget.h
llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-bitcasts.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-comparisons.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-conversions.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-ext-load-trunc-store.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-intrinsics.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-load-store-alignment.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-offset.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-select.ll
llvm/trunk/test/CodeGen/WebAssembly/simd-sext-inreg.ll
llvm/trunk/test/CodeGen/WebAssembly/simd.ll
llvm/trunk/test/MC/WebAssembly/basic-assembly.s
llvm/trunk/test/MC/WebAssembly/simd-encodings.s
llvm/trunk/test/MC/WebAssembly/types.ll
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssembly.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssembly.td?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssembly.td (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssembly.td Wed Jan 9 17:37:44 2019
@@ -25,13 +25,6 @@ include "llvm/Target/Target.td"
def FeatureSIMD128 : SubtargetFeature<"simd128", "HasSIMD128", "true",
"Enable 128-bit SIMD">;
-
-def FeatureUnimplementedSIMD128 :
- SubtargetFeature<"unimplemented-simd128",
- "HasUnimplementedSIMD128", "true",
- "Enable 128-bit SIMD not yet implemented in engines",
- [FeatureSIMD128]>;
-
def FeatureAtomics : SubtargetFeature<"atomics", "HasAtomics", "true",
"Enable Atomics">;
def FeatureNontrappingFPToInt :
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyFastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyFastISel.cpp?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyFastISel.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyFastISel.cpp Wed Jan 9 17:37:44 2019
@@ -44,6 +44,8 @@ using namespace PatternMatch;
#define DEBUG_TYPE "wasm-fastisel"
+extern cl::opt<bool> EnableUnimplementedWasmSIMDInstrs;
+
namespace {
class WebAssemblyFastISel final : public FastISel {
@@ -143,7 +145,7 @@ private:
break;
case MVT::v2i64:
case MVT::v2f64:
- if (Subtarget->hasUnimplementedSIMD128())
+ if (Subtarget->hasSIMD128() && EnableUnimplementedWasmSIMDInstrs)
return VT;
break;
default:
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp Wed Jan 9 17:37:44 2019
@@ -25,6 +25,8 @@ using namespace llvm;
#define DEBUG_TYPE "wasm-isel"
+extern cl::opt<bool> EnableUnimplementedWasmSIMDInstrs;
+
//===--------------------------------------------------------------------===//
/// WebAssembly-specific code to select WebAssembly machine instructions for
/// SelectionDAG operations.
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp Wed Jan 9 17:37:44 2019
@@ -37,6 +37,12 @@ using namespace llvm;
#define DEBUG_TYPE "wasm-lower"
+// Emit proposed instructions that may not have been implemented in engines
+cl::opt<bool> EnableUnimplementedWasmSIMDInstrs(
+ "wasm-enable-unimplemented-simd",
+ cl::desc("Emit potentially-unimplemented WebAssembly SIMD instructions"),
+ cl::init(false));
+
WebAssemblyTargetLowering::WebAssemblyTargetLowering(
const TargetMachine &TM, const WebAssemblySubtarget &STI)
: TargetLowering(TM), Subtarget(&STI) {
@@ -64,7 +70,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
addRegisterClass(MVT::v8i16, &WebAssembly::V128RegClass);
addRegisterClass(MVT::v4i32, &WebAssembly::V128RegClass);
addRegisterClass(MVT::v4f32, &WebAssembly::V128RegClass);
- if (Subtarget->hasUnimplementedSIMD128()) {
+ if (EnableUnimplementedWasmSIMDInstrs) {
addRegisterClass(MVT::v2i64, &WebAssembly::V128RegClass);
addRegisterClass(MVT::v2f64, &WebAssembly::V128RegClass);
}
@@ -129,7 +135,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
for (auto T : {MVT::v16i8, MVT::v8i16, MVT::v4i32}) {
setOperationAction(Op, T, Expand);
}
- if (Subtarget->hasUnimplementedSIMD128()) {
+ if (EnableUnimplementedWasmSIMDInstrs) {
setOperationAction(Op, MVT::v2i64, Expand);
}
}
@@ -143,7 +149,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
for (auto T : {MVT::v16i8, MVT::v8i16, MVT::v4i32, MVT::v4f32}) {
setOperationAction(ISD::VECTOR_SHUFFLE, T, Custom);
}
- if (Subtarget->hasUnimplementedSIMD128()) {
+ if (EnableUnimplementedWasmSIMDInstrs) {
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v2i64, Custom);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v2f64, Custom);
}
@@ -154,7 +160,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
for (auto T : {MVT::v16i8, MVT::v8i16, MVT::v4i32})
for (auto Op : {ISD::SHL, ISD::SRA, ISD::SRL})
setOperationAction(Op, T, Custom);
- if (Subtarget->hasUnimplementedSIMD128())
+ if (EnableUnimplementedWasmSIMDInstrs)
for (auto Op : {ISD::SHL, ISD::SRA, ISD::SRL})
setOperationAction(Op, MVT::v2i64, Custom);
}
@@ -164,7 +170,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
for (auto Op : {ISD::VSELECT, ISD::SELECT_CC, ISD::SELECT}) {
for (auto T : {MVT::v16i8, MVT::v8i16, MVT::v4i32, MVT::v4f32})
setOperationAction(Op, T, Expand);
- if (Subtarget->hasUnimplementedSIMD128())
+ if (EnableUnimplementedWasmSIMDInstrs)
for (auto T : {MVT::v2i64, MVT::v2f64})
setOperationAction(Op, T, Expand);
}
@@ -173,10 +179,8 @@ WebAssemblyTargetLowering::WebAssemblyTa
// sign-extend from.
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
if (!Subtarget->hasSignExt()) {
- // Sign extends are legal only when extending a vector extract
- auto Action = Subtarget->hasSIMD128() ? Custom : Expand;
for (auto T : {MVT::i8, MVT::i16, MVT::i32})
- setOperationAction(ISD::SIGN_EXTEND_INREG, T, Action);
+ setOperationAction(ISD::SIGN_EXTEND_INREG, T, Expand);
}
for (auto T : MVT::integer_vector_valuetypes())
setOperationAction(ISD::SIGN_EXTEND_INREG, T, Expand);
@@ -221,7 +225,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
}
// Expand additional SIMD ops that V8 hasn't implemented yet
- if (Subtarget->hasSIMD128() && !Subtarget->hasUnimplementedSIMD128()) {
+ if (Subtarget->hasSIMD128() && !EnableUnimplementedWasmSIMDInstrs) {
setOperationAction(ISD::FSQRT, MVT::v4f32, Expand);
setOperationAction(ISD::FDIV, MVT::v4f32, Expand);
}
@@ -232,7 +236,7 @@ WebAssemblyTargetLowering::WebAssemblyTa
setOperationAction(ISD::EXTRACT_VECTOR_ELT, T, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, T, Custom);
}
- if (Subtarget->hasUnimplementedSIMD128()) {
+ if (EnableUnimplementedWasmSIMDInstrs) {
for (auto T : {MVT::v2i64, MVT::v2f64}) {
setOperationAction(ISD::EXTRACT_VECTOR_ELT, T, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, T, Custom);
@@ -896,8 +900,6 @@ SDValue WebAssemblyTargetLowering::Lower
return LowerAccessVectorElement(Op, DAG);
case ISD::INTRINSIC_VOID:
return LowerINTRINSIC_VOID(Op, DAG);
- case ISD::SIGN_EXTEND_INREG:
- return LowerSIGN_EXTEND_INREG(Op, DAG);
case ISD::VECTOR_SHUFFLE:
return LowerVECTOR_SHUFFLE(Op, DAG);
case ISD::SHL:
@@ -1100,22 +1102,6 @@ WebAssemblyTargetLowering::LowerINTRINSI
}
SDValue
-WebAssemblyTargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op,
- SelectionDAG &DAG) const {
- // If sign extension operations are disabled, allow sext_inreg only if operand
- // is a vector extract. SIMD does not depend on sign extension operations, but
- // allowing sext_inreg in this context lets us have simple patterns to select
- // extract_lane_s instructions. Expanding sext_inreg everywhere would be
- // simpler in this file, but would necessitate large and brittle patterns to
- // undo the expansion and select extract_lane_s instructions.
- assert(!Subtarget->hasSignExt() && Subtarget->hasSIMD128());
- if (Op.getOperand(0).getOpcode() == ISD::EXTRACT_VECTOR_ELT)
- return Op;
- // Otherwise expand
- return SDValue();
-}
-
-SDValue
WebAssemblyTargetLowering::LowerVECTOR_SHUFFLE(SDValue Op,
SelectionDAG &DAG) const {
SDLoc DL(Op);
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyISelLowering.h Wed Jan 9 17:37:44 2019
@@ -99,7 +99,6 @@ private:
SDValue LowerCopyToReg(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerAccessVectorElement(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerShift(SDValue Op, SelectionDAG &DAG) const;
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td Wed Jan 9 17:37:44 2019
@@ -20,9 +20,7 @@ def HasAddr32 : Predicate<"!Subtarget->h
def HasAddr64 : Predicate<"Subtarget->hasAddr64()">;
def HasSIMD128 : Predicate<"Subtarget->hasSIMD128()">,
AssemblerPredicate<"FeatureSIMD128", "simd128">;
-def HasUnimplementedSIMD :
- Predicate<"Subtarget->hasUnimplementedSIMD128()">,
- AssemblerPredicate<"FeatureUnimplementedSIMD128", "unimplemented-simd128">;
+def HasUnimplementedSIMD : Predicate<"EnableUnimplementedWasmSIMDInstrs">;
def HasAtomics : Predicate<"Subtarget->hasAtomics()">,
AssemblerPredicate<"FeatureAtomics", "atomics">;
def HasNontrappingFPToInt :
Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblySubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblySubtarget.h?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblySubtarget.h (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblySubtarget.h Wed Jan 9 17:37:44 2019
@@ -30,7 +30,6 @@ namespace llvm {
class WebAssemblySubtarget final : public WebAssemblyGenSubtargetInfo {
bool HasSIMD128;
- bool HasUnimplementedSIMD128;
bool HasAtomics;
bool HasNontrappingFPToInt;
bool HasSignExt;
@@ -79,7 +78,6 @@ public:
// Predicates used by WebAssemblyInstrInfo.td.
bool hasAddr64() const { return TargetTriple.isArch64Bit(); }
bool hasSIMD128() const { return HasSIMD128; }
- bool hasUnimplementedSIMD128() const { return HasUnimplementedSIMD128; }
bool hasAtomics() const { return HasAtomics; }
bool hasNontrappingFPToInt() const { return HasNontrappingFPToInt; }
bool hasSignExt() const { return HasSignExt; }
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll Wed Jan 9 17:37:44 2019
@@ -1,13 +1,13 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128,SIMD128-SLOW
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,SIMD128,SIMD128-FAST
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128,SIMD128-SLOW
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,SIMD128,SIMD128-FAST
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,NO-SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-simd128 | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; check that a non-test run (including explicit locals pass) at least finishes
-; RUN: llc < %s -O0 -mattr=+unimplemented-simd128
-; RUN: llc < %s -O2 -mattr=+unimplemented-simd128
+; RUN: llc < %s -O0 -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext
+; RUN: llc < %s -O2 -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext
; Test that basic SIMD128 arithmetic operations assemble as expected.
@@ -122,14 +122,22 @@ define <16 x i8> @shr_s_v16i8(<16 x i8>
; NO-SIMD128-NOT: i8x16
; SIMD128-NEXT: .functype shr_s_vec_v16i8 (v128, v128) -> (v128){{$}}
; SIMD128-NEXT: i8x16.extract_lane_s $push[[L0:[0-9]+]]=, $0, 0{{$}}
-; SIMD128-NEXT: i8x16.extract_lane_u $push[[L1:[0-9]+]]=, $1, 0{{$}}
-; SIMD128-NEXT: i32.shr_s $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
-; SIMD128-NEXT: i8x16.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L1:[0-9]+]]=, 24{{$}}
+; SIMD128-NEXT: i32.shl $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L3:[0-9]+]]=, 24{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L4:[0-9]+]]=, $pop[[L2]], $pop[[L3]]{{$}}
+; SIMD128-NEXT: i8x16.extract_lane_u $push[[L5:[0-9]+]]=, $1, 0{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L6:[0-9]+]]=, $pop[[L4]], $pop[[L5]]{{$}}
+; SIMD128-NEXT: i8x16.splat $push[[L7:[0-9]+]]=, $pop[[L6]]{{$}}
; Skip 14 lanes
-; SIMD128: i8x16.extract_lane_s $push[[L0:[0-9]+]]=, $0, 15{{$}}
-; SIMD128-NEXT: i8x16.extract_lane_u $push[[L1:[0-9]+]]=, $1, 15{{$}}
-; SIMD128-NEXT: i32.shr_s $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
-; SIMD128-NEXT: i8x16.replace_lane $push[[R:[0-9]+]]=, $pop{{[0-9]+}}, 15, $pop[[L2]]{{$}}
+; SIMD128: i8x16.extract_lane_s $push[[L7:[0-9]+]]=, $0, 15{{$}}
+; SIMD128-NEXT: i32.const $push[[L8:[0-9]+]]=, 24{{$}}
+; SIMD128-NEXT: i32.shl $push[[L9:[0-9]+]]=, $pop[[L7]], $pop[[L8]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L10:[0-9]+]]=, 24{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L11:[0-9]+]]=, $pop[[L9]], $pop[[L10]]{{$}}
+; SIMD128-NEXT: i8x16.extract_lane_u $push[[L12:[0-9]+]]=, $1, 15{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L13:[0-9]+]]=, $pop[[L11]], $pop[[L12]]{{$}}
+; SIMD128-NEXT: i8x16.replace_lane $push[[R:[0-9]+]]=, $pop[[L14:[0-9]+]], 15, $pop[[L13]]{{$}}
; SIMD128-NEXT: return $pop[[R]]{{$}}
define <16 x i8> @shr_s_vec_v16i8(<16 x i8> %v, <16 x i8> %x) {
%a = ashr <16 x i8> %v, %x
@@ -335,14 +343,22 @@ define <8 x i16> @shr_s_v8i16(<8 x i16>
; NO-SIMD128-NOT: i16x8
; SIMD128-NEXT: .functype shr_s_vec_v8i16 (v128, v128) -> (v128){{$}}
; SIMD128-NEXT: i16x8.extract_lane_s $push[[L0:[0-9]+]]=, $0, 0{{$}}
-; SIMD128-NEXT: i16x8.extract_lane_u $push[[L1:[0-9]+]]=, $1, 0{{$}}
-; SIMD128-NEXT: i32.shr_s $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
-; SIMD128-NEXT: i16x8.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L1:[0-9]+]]=, 16{{$}}
+; SIMD128-NEXT: i32.shl $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L3:[0-9]+]]=, 16{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L4:[0-9]+]]=, $pop[[L2]], $pop[[L3]]{{$}}
+; SIMD128-NEXT: i16x8.extract_lane_u $push[[L5:[0-9]+]]=, $1, 0{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L6:[0-9]+]]=, $pop[[L4]], $pop[[L5]]{{$}}
+; SIMD128-NEXT: i16x8.splat $push[[L7:[0-9]+]]=, $pop[[L6]]{{$}}
; Skip 6 lanes
-; SIMD128: i16x8.extract_lane_s $push[[L0:[0-9]+]]=, $0, 7{{$}}
-; SIMD128-NEXT: i16x8.extract_lane_u $push[[L1:[0-9]+]]=, $1, 7{{$}}
-; SIMD128-NEXT: i32.shr_s $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
-; SIMD128-NEXT: i16x8.replace_lane $push[[R:[0-9]+]]=, $pop{{[0-9]+}}, 7, $pop[[L2]]{{$}}
+; SIMD128: i16x8.extract_lane_s $push[[L7:[0-9]+]]=, $0, 7{{$}}
+; SIMD128-NEXT: i32.const $push[[L8:[0-9]+]]=, 16{{$}}
+; SIMD128-NEXT: i32.shl $push[[L9:[0-9]+]]=, $pop[[L7]], $pop[[L8]]{{$}}
+; SIMD128-NEXT: i32.const $push[[L10:[0-9]+]]=, 16{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L11:[0-9]+]]=, $pop[[L9]], $pop[[L10]]{{$}}
+; SIMD128-NEXT: i16x8.extract_lane_u $push[[L12:[0-9]+]]=, $1, 7{{$}}
+; SIMD128-NEXT: i32.shr_s $push[[L13:[0-9]+]]=, $pop[[L11]], $pop[[L12]]{{$}}
+; SIMD128-NEXT: i16x8.replace_lane $push[[R:[0-9]+]]=, $pop[[L14:[0-9]+]], 7, $pop[[L13]]{{$}}
; SIMD128-NEXT: return $pop[[R]]{{$}}
define <8 x i16> @shr_s_vec_v8i16(<8 x i16> %v, <8 x i16> %x) {
%a = ashr <8 x i16> %v, %x
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-bitcasts.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-bitcasts.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-bitcasts.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-bitcasts.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test that bitcasts between vector types are lowered to zero instructions
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-comparisons.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-comparisons.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-comparisons.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-comparisons.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test SIMD comparison operators
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-conversions.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-conversions.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-conversions.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-conversions.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test that vector float-to-int and int-to-float instructions lower correctly
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-ext-load-trunc-store.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-ext-load-trunc-store.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-ext-load-trunc-store.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-ext-load-trunc-store.ll Wed Jan 9 17:37:44 2019
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 | FileCheck %s
; Check that store in memory with smaller lanes are loaded and stored
; as expected. This is a regression test for part of bug 39275.
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-intrinsics.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-intrinsics.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-intrinsics.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-intrinsics.ll Wed Jan 9 17:37:44 2019
@@ -1,5 +1,5 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,SIMD128
; Test that SIMD128 intrinsics lower as expected. These intrinsics are
; only expected to lower successfully if the simd128 attribute is
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-load-store-alignment.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-load-store-alignment.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-load-store-alignment.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-load-store-alignment.ll Wed Jan 9 17:37:44 2019
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128 | FileCheck %s
; Test loads and stores with custom alignment values.
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-offset.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-offset.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-offset.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-offset.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test SIMD loads and stores
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-select.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-select.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-select.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-select.ll Wed Jan 9 17:37:44 2019
@@ -1,4 +1,4 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s
; Test that vector selects of various varieties lower correctly to bitselects.
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-sext-inreg.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-sext-inreg.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-sext-inreg.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-sext-inreg.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s --check-prefixes CHECK,SIMD128
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -wasm-keep-registers -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test that vector sign extensions lower to shifts
Modified: llvm/trunk/test/CodeGen/WebAssembly/simd.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd.ll Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,SIMD128-VM
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,NO-SIMD128
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-simd128,+sign-ext | FileCheck %s --check-prefixes CHECK,NO-SIMD128
; Test that basic SIMD128 vector manipulation operations assemble as expected.
Modified: llvm/trunk/test/MC/WebAssembly/basic-assembly.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/WebAssembly/basic-assembly.s?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/MC/WebAssembly/basic-assembly.s (original)
+++ llvm/trunk/test/MC/WebAssembly/basic-assembly.s Wed Jan 9 17:37:44 2019
@@ -1,6 +1,6 @@
-# RUN: llvm-mc -triple=wasm32-unknown-unknown -mattr=+unimplemented-simd128,+nontrapping-fptoint,+exception-handling < %s | FileCheck %s
+# RUN: llvm-mc -triple=wasm32-unknown-unknown -mattr=+simd128,+nontrapping-fptoint,+exception-handling < %s | FileCheck %s
# this one is just here to see if it converts to .o without errors, but doesn't check any output:
-# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -mattr=+unimplemented-simd128,+nontrapping-fptoint,+exception-handling < %s
+# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -mattr=+simd128,+nontrapping-fptoint,+exception-handling < %s
.text
.section .text.main,"",@
Modified: llvm/trunk/test/MC/WebAssembly/simd-encodings.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/WebAssembly/simd-encodings.s?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/MC/WebAssembly/simd-encodings.s (original)
+++ llvm/trunk/test/MC/WebAssembly/simd-encodings.s Wed Jan 9 17:37:44 2019
@@ -1,4 +1,4 @@
-# RUN: llvm-mc -show-encoding -triple=wasm32-unkown-unknown -mattr=+unimplemented-simd128 < %s | FileCheck %s
+# RUN: llvm-mc -show-encoding -triple=wasm32-unkown-unknown -mattr=+sign-ext,+simd128 < %s | FileCheck %s
main:
.functype main () -> ()
Modified: llvm/trunk/test/MC/WebAssembly/types.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/WebAssembly/types.ll?rev=350789&r1=350788&r2=350789&view=diff
==============================================================================
--- llvm/trunk/test/MC/WebAssembly/types.ll (original)
+++ llvm/trunk/test/MC/WebAssembly/types.ll Wed Jan 9 17:37:44 2019
@@ -1,4 +1,4 @@
-; RUN: llc -mattr=+unimplemented-simd128 -filetype=obj %s -o - | obj2yaml | FileCheck %s
+; RUN: llc -wasm-enable-unimplemented-simd -mattr=+sign-ext,+simd128 -filetype=obj %s -o - | obj2yaml | FileCheck %s
target triple = "wasm32-unknown-unknown"
More information about the llvm-commits
mailing list