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Eliminate x86.sse2.punpckh.qdq and x86.sse2.punpckl.qdq.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51533 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-05-24 02:56:30 +00:00
parent e716bb1c59
commit a31593901d
5 changed files with 15 additions and 25 deletions
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11
include/llvm/IntrinsicsX86.td
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@ -501,17 +501,6 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
Intrinsic<[llvm_void_ty], [IntrWriteMem]>;
}
// Shuffles.
// FIXME: Temporary workarounds since 2-wide shuffle is broken.
let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
def int_x86_sse2_punpckh_qdq : GCCBuiltin<"__builtin_ia32_punpckhqdq128">,
Intrinsic<[llvm_v2i64_ty, llvm_v2i64_ty,
llvm_v2i64_ty], [IntrNoMem]>;
def int_x86_sse2_punpckl_qdq : GCCBuiltin<"__builtin_ia32_punpcklqdq128">,
Intrinsic<[llvm_v2i64_ty, llvm_v2i64_ty,
llvm_v2i64_ty], [IntrNoMem]>;
}
//===----------------------------------------------------------------------===//
// SSE3

10
lib/Target/X86/X86InstrSSE.td
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@ -3050,16 +3050,6 @@ def : Pat<(v2f64 (vector_shuffle immAllZerosV_bc, VR128:$src,
def : Pat<(v2f64 (X86vzmovl (v2f64 VR128:$src))),
(MOVZPQILo2PQIrr VR128:$src)>, Requires<[HasSSE2]>;
// FIXME: Temporary workaround since 2-wide shuffle is broken.
def : Pat<(int_x86_sse2_punpckh_qdq VR128:$src1, VR128:$src2),
(v2i64 (PUNPCKHQDQrr VR128:$src1, VR128:$src2))>, Requires<[HasSSE2]>;
def : Pat<(int_x86_sse2_punpckh_qdq VR128:$src1, (memop addr:$src2)),
(v2i64 (PUNPCKHQDQrm VR128:$src1, addr:$src2))>, Requires<[HasSSE2]>;
def : Pat<(int_x86_sse2_punpckl_qdq VR128:$src1, VR128:$src2),
(v2i64 (PUNPCKLQDQrr VR128:$src1, VR128:$src2))>, Requires<[HasSSE2]>;
def : Pat<(int_x86_sse2_punpckl_qdq VR128:$src1, (memop addr:$src2)),
(PUNPCKLQDQrm VR128:$src1, addr:$src2)>, Requires<[HasSSE2]>;
// Some special case pandn patterns.
def : Pat<(v2i64 (and (xor VR128:$src1, (bc_v2i64 (v4i32 immAllOnesV))),
VR128:$src2)),

16
lib/VMCore/AutoUpgrade.cpp
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@ -154,7 +154,9 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
Name.compare(5,15,"x86.sse2.movs.d",15) == 0 ||
Name.compare(5,16,"x86.sse2.shuf.pd",16) == 0 ||
Name.compare(5,18,"x86.sse2.unpckh.pd",18) == 0 ||
Name.compare(5,18,"x86.sse2.unpckl.pd",18) == 0 ) {
Name.compare(5,18,"x86.sse2.unpckl.pd",18) == 0 ||
Name.compare(5,20,"x86.sse2.punpckh.qdq",20) == 0 ||
Name.compare(5,20,"x86.sse2.punpckl.qdq",20) == 0) {
// Calls to these intrinsics are transformed into ShuffleVector's.
NewFn = 0;
return true;
@ -193,6 +195,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
bool isLoadH = false, isLoadL = false, isMovL = false;
bool isMovSD = false, isShufPD = false;
bool isUnpckhPD = false, isUnpcklPD = false;
bool isPunpckhQPD = false, isPunpcklQPD = false;
if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadh.pd") == 0)
isLoadH = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadl.pd") == 0)
@ -207,9 +210,13 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
isUnpckhPD = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckl.pd") == 0)
isUnpcklPD = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckh.qdq") == 0)
isPunpckhQPD = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckl.qdq") == 0)
isPunpcklQPD = true;
if (isLoadH || isLoadL || isMovL || isMovSD || isShufPD ||
isUnpckhPD || isUnpcklPD) {
isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
std::vector<Constant*> Idxs;
Value *Op0 = CI->getOperand(1);
ShuffleVectorInst *SI = NULL;
@ -246,12 +253,13 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(ZeroV, Op0, Mask, "upgraded.", CI);
} else if (isMovSD || isUnpckhPD || isUnpcklPD) {
} else if (isMovSD ||
isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
Value *Op1 = CI->getOperand(2);
if (isMovSD) {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
} else if (isUnpckhPD) {
} else if (isUnpckhPD || isPunpckhQPD) {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
} else {

3
test/Bitcode/sse2_punpck_qdq.ll Normal file
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@ -0,0 +1,3 @@
; RUN: llvm-dis < %s.bc | not grep {i32 @llvm\\.punpckh.qdq}
; RUN: llvm-dis < %s.bc | not grep {i32 @llvm\\.punpckl.qdq}
; RUN: llvm-dis < %s.bc | grep shufflevector

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test/Bitcode/sse2_punpck_qdq.ll.bc Normal file
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