forked from OSchip/llvm-project
[DAGCombiner] revert r295336
r295336 causes a bootstrapped clang to fail for many compilations on powerpc BE. See http://lab.llvm.org:8011/builders/clang-ppc64be-linux-multistage/builds/2315 for example. Reverting as per the developer's request. llvm-svn: 295849
This commit is contained in:
Bill Seurer
parent
13cdd57964
commit
8e48f416ad
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@ -4446,8 +4446,6 @@ const Optional<ByteProvider> calculateByteProvider(SDValue Op, unsigned Index,
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: calculateByteProvider(Op->getOperand(0), Index - ByteShift,
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Depth + 1);
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}
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case ISD::ANY_EXTEND:
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case ISD::SIGN_EXTEND:
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case ISD::ZERO_EXTEND: {
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SDValue NarrowOp = Op->getOperand(0);
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unsigned NarrowBitWidth = NarrowOp.getScalarValueSizeInBits();
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@ -4455,32 +4453,22 @@ const Optional<ByteProvider> calculateByteProvider(SDValue Op, unsigned Index,
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return None;
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uint64_t NarrowByteWidth = NarrowBitWidth / 8;
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if (Index >= NarrowByteWidth)
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return Op.getOpcode() == ISD::ZERO_EXTEND
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? Optional<ByteProvider>(ByteProvider::getConstantZero())
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: None;
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else
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return calculateByteProvider(NarrowOp, Index, Depth + 1);
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return Index >= NarrowByteWidth
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? ByteProvider::getConstantZero()
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: calculateByteProvider(NarrowOp, Index, Depth + 1);
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}
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case ISD::BSWAP:
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return calculateByteProvider(Op->getOperand(0), ByteWidth - Index - 1,
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Depth + 1);
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case ISD::LOAD: {
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auto L = cast<LoadSDNode>(Op.getNode());
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if (L->isVolatile() || L->isIndexed())
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// TODO: support ext loads
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if (L->isVolatile() || L->isIndexed() ||
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L->getExtensionType() != ISD::NON_EXTLOAD)
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return None;
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unsigned NarrowBitWidth = L->getMemoryVT().getSizeInBits();
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if (NarrowBitWidth % 8 != 0)
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return None;
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uint64_t NarrowByteWidth = NarrowBitWidth / 8;
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if (Index >= NarrowByteWidth)
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return L->getExtensionType() == ISD::ZEXTLOAD
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? Optional<ByteProvider>(ByteProvider::getConstantZero())
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: None;
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else
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return ByteProvider::getMemory(L, Index);
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return ByteProvider::getMemory(L, Index);
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}
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}
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@ -4560,6 +4548,7 @@ SDValue DAGCombiner::MatchLoadCombine(SDNode *N) {
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LoadSDNode *L = P->Load;
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assert(L->hasNUsesOfValue(1, 0) && !L->isVolatile() && !L->isIndexed() &&
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(L->getExtensionType() == ISD::NON_EXTLOAD) &&
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"Must be enforced by calculateByteProvider");
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assert(L->getOffset().isUndef() && "Unindexed load must have undef offset");
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@ -336,8 +336,11 @@ define i32 @load_i32_by_bswap_i16(i32* %arg) {
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; (i32) p[1] | (sext(p[0] << 16) to i32)
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define i32 @load_i32_by_sext_i16(i32* %arg) {
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; CHECK-LABEL: load_i32_by_sext_i16:
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; CHECK: ldr w0, [x0]
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; CHECK: ldrh w8, [x0]
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; CHECK-NEXT: ldrh w0, [x0, #2]
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; CHECK-NEXT: bfi w0, w8, #16, #16
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; CHECK-NEXT: ret
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%tmp = bitcast i32* %arg to i16*
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%tmp1 = load i16, i16* %tmp, align 4
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%tmp2 = sext i16 %tmp1 to i32
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@ -396,6 +399,7 @@ define i32 @load_i32_by_i8_base_offset_index_2(i8* %arg, i32 %i) {
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; CHECK-NEXT: ldur w8, [x8, #13]
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; CHECK-NEXT: rev w0, w8
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; CHECK-NEXT: ret
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%tmp = add nuw nsw i32 %i, 4
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%tmp2 = add nuw nsw i32 %i, 3
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%tmp3 = add nuw nsw i32 %i, 2
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@ -324,8 +324,12 @@ define i32 @load_i32_by_bswap_i16(i32* %arg) {
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; (i32) p[0] | (sext(p[1] << 16) to i32)
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define i32 @load_i32_by_sext_i16(i32* %arg) {
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; CHECK-LABEL: load_i32_by_sext_i16:
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; CHECK: ldr w0, [x0]
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; CHECK: ldrh w8, [x0]
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; CHECK-NEXT: ldrh w9, [x0, #2]
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; CHECK-NEXT: bfi w8, w9, #16, #16
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; CHECK-NEXT: mov w0, w8
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; CHECK-NEXT: ret
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%tmp = bitcast i32* %arg to i16*
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%tmp1 = load i16, i16* %tmp, align 4
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%tmp2 = zext i16 %tmp1 to i32
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@ -382,6 +386,7 @@ define i32 @load_i32_by_i8_base_offset_index_2(i8* %arg, i32 %i) {
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; CHECK: add x8, x0, w1, uxtw
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; CHECK-NEXT: ldur w0, [x8, #13]
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; CHECK-NEXT: ret
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%tmp = add nuw nsw i32 %i, 4
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%tmp2 = add nuw nsw i32 %i, 3
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%tmp3 = add nuw nsw i32 %i, 2
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@ -1,5 +1,5 @@
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; RUN: llc -verify-machineinstrs -march=amdgcn -mattr=+max-private-element-size-16 < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=GCN-NO-TONGA %s
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; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=+max-private-element-size-16 < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=GCN-TONGA %s
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; RUN: llc -verify-machineinstrs -march=amdgcn -mattr=+max-private-element-size-16 < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=+max-private-element-size-16 < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; FIXME: Broken on evergreen
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; FIXME: For some reason the 8 and 16 vectors are being stored as
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@ -219,7 +219,10 @@ define void @dynamic_insertelement_v3i16(<3 x i16> addrspace(1)* %out, <3 x i16>
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; GCN: s_waitcnt
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; GCN: buffer_load_dwordx2
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; GCN: buffer_load_ushort
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; GCN: buffer_load_ushort
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; GCN: buffer_load_ushort
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; GCN: buffer_load_ushort
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; GCN: buffer_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, off
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define void @dynamic_insertelement_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> %a, i32 %b) nounwind {
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@ -237,9 +240,8 @@ define void @dynamic_insertelement_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16>
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; GCN: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-TONGA: buffer_load_ushort
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_store_short v{{[0-9]+}}, off
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define void @dynamic_insertelement_v2i8(<2 x i8> addrspace(1)* %out, <2 x i8> %a, i32 %b) nounwind {
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@ -259,11 +261,9 @@ define void @dynamic_insertelement_v2i8(<2 x i8> addrspace(1)* %out, <2 x i8> %a
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; GCN: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-TONGA: buffer_load_ushort
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; GCN-TONGA: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN-DAG: buffer_store_byte v{{[0-9]+}}, off
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; GCN-DAG: buffer_store_short v{{[0-9]+}}, off
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@ -286,11 +286,10 @@ define void @dynamic_insertelement_v3i8(<3 x i8> addrspace(1)* %out, <3 x i8> %a
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; GCN: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-NO-TONGA: buffer_load_ubyte
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; GCN-TONGA: buffer_load_dword
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_load_ubyte
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; GCN: buffer_store_dword v{{[0-9]+}}, off
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define void @dynamic_insertelement_v4i8(<4 x i8> addrspace(1)* %out, <4 x i8> %a, i32 %b) nounwind {
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@ -847,15 +847,21 @@ define void @test_insertelement(half* %p, <4 x half>* %q, i32 %i) #0 {
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}
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; CHECK-ALL-LABEL: test_extractelement:
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; CHECK-VFP: push {{{.*}}, lr}
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; CHECK-VFP: sub sp, sp, #8
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; CHECK-VFP: ldrd
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; CHECK-VFP: ldrh
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; CHECK-VFP: ldrh
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; CHECK-VFP: orr
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; CHECK-VFP: str
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; CHECK-VFP: ldrh
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; CHECK-VFP: ldrh
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; CHECK-VFP: orr
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; CHECK-VFP: str
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; CHECK-VFP: mov
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; CHECK-VFP: orr
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; CHECK-VFP: ldrh
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; CHECK-VFP: strh
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; CHECK-VFP: add sp, sp, #8
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; CHECK-VFP: pop {{{.*}}, pc}
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; CHECK-VFP: bx lr
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; CHECK-NOVFP: ldrh
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; CHECK-NOVFP: strh
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; CHECK-NOVFP: ldrh
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@ -456,12 +456,17 @@ define i32 @load_i32_by_bswap_i16(i32* %arg) {
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; (i32) p[1] | (sext(p[0] << 16) to i32)
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define i32 @load_i32_by_sext_i16(i32* %arg) {
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; CHECK-LABEL: load_i32_by_sext_i16:
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; CHECK: ldr r0, [r0]
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; CHECK: ldrh r1, [r0]
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; CHECK-NEXT: ldrh r0, [r0, #2]
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; CHECK-NEXT: orr r0, r0, r1, lsl #16
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; CHECK-NEXT: mov pc, lr
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;
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; CHECK-ARMv6-LABEL: load_i32_by_sext_i16:
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; CHECK-ARMv6: ldr r0, [r0]
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; CHECK-ARMv6: ldrh r1, [r0]
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; CHECK-ARMv6-NEXT: ldrh r0, [r0, #2]
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; CHECK-ARMv6-NEXT: orr r0, r0, r1, lsl #16
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; CHECK-ARMv6-NEXT: bx lr
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%tmp = bitcast i32* %arg to i16*
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%tmp1 = load i16, i16* %tmp, align 4
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%tmp2 = sext i16 %tmp1 to i32
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@ -414,12 +414,17 @@ define i32 @load_i32_by_bswap_i16(i32* %arg) {
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; (i32) p[0] | (sext(p[1] << 16) to i32)
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define i32 @load_i32_by_sext_i16(i32* %arg) {
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; CHECK-LABEL: load_i32_by_sext_i16:
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; CHECK: ldr r0, [r0]
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; CHECK: ldrh r1, [r0, #2]
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; CHECK-NEXT: ldrh r0, [r0]
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; CHECK-NEXT: orr r0, r0, r1, lsl #16
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; CHECK-NEXT: mov pc, lr
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;
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; CHECK-ARMv6-LABEL: load_i32_by_sext_i16:
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; CHECK-ARMv6: ldr r0, [r0]
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; CHECK-ARMv6-NEXT: bx lr
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; CHECK-ARMv6: ldrh r1, [r0, #2]
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; CHECK-ARMv6-NEXT: ldrh r0, [r0]
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; CHECK-ARMv6-NEXT: orr r0, r0, r1, lsl #16
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; CHECK-ARMv6-NEXT: bx lr
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%tmp = bitcast i32* %arg to i16*
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%tmp1 = load i16, i16* %tmp, align 4
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%tmp2 = zext i16 %tmp1 to i32
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@ -487,6 +492,7 @@ define i32 @load_i32_by_i8_base_offset_index_2(i8* %arg, i32 %i) {
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; CHECK-ARMv6: add r0, r0, r1
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; CHECK-ARMv6-NEXT: ldr r0, [r0, #13]
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; CHECK-ARMv6-NEXT: bx lr
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%tmp = add nuw nsw i32 %i, 4
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%tmp2 = add nuw nsw i32 %i, 3
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%tmp3 = add nuw nsw i32 %i, 2
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@ -284,7 +284,10 @@ entry:
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; CHECK-DAG: lfs 12, 12({{[0-9]+}})
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; CHECK-DAG: lfs 13, 16({{[0-9]+}})
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; CHECK-DAG: ld 10, 0({{[0-9]+}})
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; CHECK-DAG: lwz [[REG0:[0-9]+]], 0({{[0-9]+}})
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; CHECK-DAG: lwz [[REG1:[0-9]+]], 4({{[0-9]+}})
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; CHECK-DAG: sldi [[REG2:[0-9]+]], [[REG1]], 32
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; CHECK-DAG: or 10, [[REG0]], [[REG2]]
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; CHECK: bl test2
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declare void @test2([8 x float], [5 x float], [2 x float])
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@ -772,25 +772,20 @@ define i32 @load_i32_by_i8_bswap_base_index_offset(i32* %arg, i32 %arg1) {
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; BSWAP-NEXT: bswapl %eax
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; BSWAP-NEXT: retl
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;
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; MOVBE-LABEL: load_i32_by_i8_bswap_base_index_offset:
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; MOVBE: # BB#0:
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; MOVBE-NEXT: movl {{[0-9]+}}(%esp), %eax
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; MOVBE-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; MOVBE-NEXT: movbel (%ecx,%eax), %eax
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; MOVBE-NEXT: retl
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;
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; BSWAP64-LABEL: load_i32_by_i8_bswap_base_index_offset:
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; BSWAP64: # BB#0:
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; BSWAP64-NEXT: movslq %esi, %rax
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; BSWAP64-NEXT: movl (%rdi,%rax), %eax
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; BSWAP64-NEXT: bswapl %eax
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; BSWAP64-NEXT: retq
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;
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; MOVBE64-LABEL: load_i32_by_i8_bswap_base_index_offset:
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; MOVBE64: # BB#0:
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; MOVBE64-NEXT: movslq %esi, %rax
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; MOVBE64-NEXT: movbel (%rdi,%rax), %eax
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; MOVBE64-NEXT: retq
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; CHECK64-LABEL: load_i32_by_i8_bswap_base_index_offset:
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; CHECK64: # BB#0:
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; CHECK64-NEXT: movslq %esi, %rax
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; CHECK64-NEXT: movzbl (%rdi,%rax), %ecx
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; CHECK64-NEXT: shll $24, %ecx
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; CHECK64-NEXT: movzbl 1(%rdi,%rax), %edx
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; CHECK64-NEXT: shll $16, %edx
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; CHECK64-NEXT: orl %ecx, %edx
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; CHECK64-NEXT: movzbl 2(%rdi,%rax), %ecx
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; CHECK64-NEXT: shll $8, %ecx
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; CHECK64-NEXT: orl %edx, %ecx
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; CHECK64-NEXT: movzbl 3(%rdi,%rax), %eax
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; CHECK64-NEXT: orl %ecx, %eax
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; CHECK64-NEXT: retq
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%tmp = bitcast i32* %arg to i8*
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%tmp2 = getelementptr inbounds i8, i8* %tmp, i32 %arg1
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%tmp3 = load i8, i8* %tmp2, align 1
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@ -891,12 +886,18 @@ define i32 @load_i32_by_sext_i16(i32* %arg) {
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; CHECK-LABEL: load_i32_by_sext_i16:
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; CHECK: # BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl (%eax), %eax
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; CHECK-NEXT: movzwl (%eax), %ecx
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; CHECK-NEXT: movzwl 2(%eax), %eax
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; CHECK-NEXT: shll $16, %eax
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; CHECK-NEXT: orl %ecx, %eax
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; CHECK-NEXT: retl
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;
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; CHECK64-LABEL: load_i32_by_sext_i16:
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; CHECK64: # BB#0:
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; CHECK64-NEXT: movl (%rdi), %eax
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; CHECK64-NEXT: movzwl (%rdi), %ecx
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; CHECK64-NEXT: movzwl 2(%rdi), %eax
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; CHECK64-NEXT: shll $16, %eax
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; CHECK64-NEXT: orl %ecx, %eax
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; CHECK64-NEXT: retq
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%tmp = bitcast i32* %arg to i16*
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%tmp1 = load i16, i16* %tmp, align 1
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@ -915,9 +916,24 @@ define i32 @load_i32_by_sext_i16(i32* %arg) {
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define i32 @load_i32_by_i8_base_offset_index(i8* %arg, i32 %i) {
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; CHECK-LABEL: load_i32_by_i8_base_offset_index:
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; CHECK: # BB#0:
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: .Lcfi4:
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: .Lcfi5:
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; CHECK-NEXT: .cfi_offset %esi, -8
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movl 12(%eax,%ecx), %eax
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; CHECK-NEXT: movzbl 12(%eax,%ecx), %edx
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; CHECK-NEXT: movzbl 13(%eax,%ecx), %esi
|
||||
; CHECK-NEXT: shll $8, %esi
|
||||
; CHECK-NEXT: orl %edx, %esi
|
||||
; CHECK-NEXT: movzbl 14(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: shll $16, %edx
|
||||
; CHECK-NEXT: orl %esi, %edx
|
||||
; CHECK-NEXT: movzbl 15(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: shll $24, %eax
|
||||
; CHECK-NEXT: orl %edx, %eax
|
||||
; CHECK-NEXT: popl %esi
|
||||
; CHECK-NEXT: retl
|
||||
;
|
||||
; CHECK64-LABEL: load_i32_by_i8_base_offset_index:
|
||||
|
|
@ -960,9 +976,24 @@ define i32 @load_i32_by_i8_base_offset_index(i8* %arg, i32 %i) {
|
|||
define i32 @load_i32_by_i8_base_offset_index_2(i8* %arg, i32 %i) {
|
||||
; CHECK-LABEL: load_i32_by_i8_base_offset_index_2:
|
||||
; CHECK: # BB#0:
|
||||
; CHECK-NEXT: pushl %esi
|
||||
; CHECK-NEXT: .Lcfi6:
|
||||
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
||||
; CHECK-NEXT: .Lcfi7:
|
||||
; CHECK-NEXT: .cfi_offset %esi, -8
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||||
; CHECK-NEXT: movl 13(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: movzbl 13(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: movzbl 14(%eax,%ecx), %esi
|
||||
; CHECK-NEXT: shll $8, %esi
|
||||
; CHECK-NEXT: orl %edx, %esi
|
||||
; CHECK-NEXT: movzbl 15(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: shll $16, %edx
|
||||
; CHECK-NEXT: orl %esi, %edx
|
||||
; CHECK-NEXT: movzbl 16(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: shll $24, %eax
|
||||
; CHECK-NEXT: orl %edx, %eax
|
||||
; CHECK-NEXT: popl %esi
|
||||
; CHECK-NEXT: retl
|
||||
;
|
||||
; CHECK64-LABEL: load_i32_by_i8_base_offset_index_2:
|
||||
|
|
@ -1016,15 +1047,39 @@ define i32 @load_i32_by_i8_base_offset_index_2(i8* %arg, i32 %i) {
|
|||
define i32 @load_i32_by_i8_zaext_loads(i8* %arg, i32 %arg1) {
|
||||
; CHECK-LABEL: load_i32_by_i8_zaext_loads:
|
||||
; CHECK: # BB#0:
|
||||
; CHECK-NEXT: pushl %esi
|
||||
; CHECK-NEXT: .Lcfi8:
|
||||
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
||||
; CHECK-NEXT: .Lcfi9:
|
||||
; CHECK-NEXT: .cfi_offset %esi, -8
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||||
; CHECK-NEXT: movl 12(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: movzbl 12(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: movzbl 13(%eax,%ecx), %esi
|
||||
; CHECK-NEXT: shll $8, %esi
|
||||
; CHECK-NEXT: orl %edx, %esi
|
||||
; CHECK-NEXT: movzbl 14(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: shll $16, %edx
|
||||
; CHECK-NEXT: orl %esi, %edx
|
||||
; CHECK-NEXT: movzbl 15(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: shll $24, %eax
|
||||
; CHECK-NEXT: orl %edx, %eax
|
||||
; CHECK-NEXT: popl %esi
|
||||
; CHECK-NEXT: retl
|
||||
;
|
||||
; CHECK64-LABEL: load_i32_by_i8_zaext_loads:
|
||||
; CHECK64: # BB#0:
|
||||
; CHECK64-NEXT: movl %esi, %eax
|
||||
; CHECK64-NEXT: movl 12(%rdi,%rax), %eax
|
||||
; CHECK64-NEXT: movzbl 12(%rdi,%rax), %ecx
|
||||
; CHECK64-NEXT: movzbl 13(%rdi,%rax), %edx
|
||||
; CHECK64-NEXT: shll $8, %edx
|
||||
; CHECK64-NEXT: orl %ecx, %edx
|
||||
; CHECK64-NEXT: movzbl 14(%rdi,%rax), %ecx
|
||||
; CHECK64-NEXT: shll $16, %ecx
|
||||
; CHECK64-NEXT: orl %edx, %ecx
|
||||
; CHECK64-NEXT: movzbl 15(%rdi,%rax), %eax
|
||||
; CHECK64-NEXT: shll $24, %eax
|
||||
; CHECK64-NEXT: orl %ecx, %eax
|
||||
; CHECK64-NEXT: retq
|
||||
%tmp = add nuw nsw i32 %arg1, 3
|
||||
%tmp2 = add nuw nsw i32 %arg1, 2
|
||||
|
|
@ -1072,15 +1127,39 @@ define i32 @load_i32_by_i8_zaext_loads(i8* %arg, i32 %arg1) {
|
|||
define i32 @load_i32_by_i8_zsext_loads(i8* %arg, i32 %arg1) {
|
||||
; CHECK-LABEL: load_i32_by_i8_zsext_loads:
|
||||
; CHECK: # BB#0:
|
||||
; CHECK-NEXT: pushl %esi
|
||||
; CHECK-NEXT: .Lcfi10:
|
||||
; CHECK-NEXT: .cfi_def_cfa_offset 8
|
||||
; CHECK-NEXT: .Lcfi11:
|
||||
; CHECK-NEXT: .cfi_offset %esi, -8
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||||
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||||
; CHECK-NEXT: movl 12(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: movzbl 12(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: movzbl 13(%eax,%ecx), %esi
|
||||
; CHECK-NEXT: shll $8, %esi
|
||||
; CHECK-NEXT: orl %edx, %esi
|
||||
; CHECK-NEXT: movzbl 14(%eax,%ecx), %edx
|
||||
; CHECK-NEXT: shll $16, %edx
|
||||
; CHECK-NEXT: orl %esi, %edx
|
||||
; CHECK-NEXT: movsbl 15(%eax,%ecx), %eax
|
||||
; CHECK-NEXT: shll $24, %eax
|
||||
; CHECK-NEXT: orl %edx, %eax
|
||||
; CHECK-NEXT: popl %esi
|
||||
; CHECK-NEXT: retl
|
||||
;
|
||||
; CHECK64-LABEL: load_i32_by_i8_zsext_loads:
|
||||
; CHECK64: # BB#0:
|
||||
; CHECK64-NEXT: movl %esi, %eax
|
||||
; CHECK64-NEXT: movl 12(%rdi,%rax), %eax
|
||||
; CHECK64-NEXT: movzbl 12(%rdi,%rax), %ecx
|
||||
; CHECK64-NEXT: movzbl 13(%rdi,%rax), %edx
|
||||
; CHECK64-NEXT: shll $8, %edx
|
||||
; CHECK64-NEXT: orl %ecx, %edx
|
||||
; CHECK64-NEXT: movzbl 14(%rdi,%rax), %ecx
|
||||
; CHECK64-NEXT: shll $16, %ecx
|
||||
; CHECK64-NEXT: orl %edx, %ecx
|
||||
; CHECK64-NEXT: movsbl 15(%rdi,%rax), %eax
|
||||
; CHECK64-NEXT: shll $24, %eax
|
||||
; CHECK64-NEXT: orl %ecx, %eax
|
||||
; CHECK64-NEXT: retq
|
||||
%tmp = add nuw nsw i32 %arg1, 3
|
||||
%tmp2 = add nuw nsw i32 %arg1, 2
|
||||
|
|
|
|||
Loading…
Reference in New Issue