diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 1 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/avx512-mask-op.ll | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 1810904b2c6..ba06f6266ed 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -12911,6 +12911,7 @@ bool DAGCombiner::MergeStoresOfConstantsOrVecElts( StoreSDNode *St = cast<StoreSDNode>(StoreNodes[Idx].MemNode); SDValue Val = St->getValue(); + Val = peekThroughBitcast(Val); StoreInt <<= ElementSizeBits; if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Val)) { StoreInt |= C->getAPIntValue() diff --git a/llvm/test/CodeGen/X86/avx512-mask-op.ll b/llvm/test/CodeGen/X86/avx512-mask-op.ll index 1038c90ab9d..841f697a380 100644 --- a/llvm/test/CodeGen/X86/avx512-mask-op.ll +++ b/llvm/test/CodeGen/X86/avx512-mask-op.ll @@ -2795,3 +2795,35 @@ entry: ret <8 x i64> %8 } +define void @store_v64i1_constant(<64 x i1>* %R) { +; KNL-LABEL: store_v64i1_constant: +; KNL: ## %bb.0: ## %entry +; KNL-NEXT: kxnorw %k0, %k0, %k0 +; KNL-NEXT: kmovw %k0, 2(%rdi) +; KNL-NEXT: movl $-536871045, 4(%rdi) ## imm = 0xDFFFFF7B +; KNL-NEXT: movw $-4099, (%rdi) ## imm = 0xEFFD +; KNL-NEXT: retq +; +; SKX-LABEL: store_v64i1_constant: +; SKX: ## %bb.0: ## %entry +; SKX-NEXT: movabsq $-2305843576149381123, %rax ## imm = 0xDFFFFF7BFFFFEFFD +; SKX-NEXT: movq %rax, (%rdi) +; SKX-NEXT: retq +; +; AVX512BW-LABEL: store_v64i1_constant: +; AVX512BW: ## %bb.0: ## %entry +; AVX512BW-NEXT: movabsq $-2305843576149381123, %rax ## imm = 0xDFFFFF7BFFFFEFFD +; AVX512BW-NEXT: movq %rax, (%rdi) +; AVX512BW-NEXT: retq +; +; AVX512DQ-LABEL: store_v64i1_constant: +; AVX512DQ: ## %bb.0: ## %entry +; AVX512DQ-NEXT: kxnorw %k0, %k0, %k0 +; AVX512DQ-NEXT: kmovw %k0, 2(%rdi) +; AVX512DQ-NEXT: movl $-536871045, 4(%rdi) ## imm = 0xDFFFFF7B +; AVX512DQ-NEXT: movw $-4099, (%rdi) ## imm = 0xEFFD +; AVX512DQ-NEXT: retq +entry: + store <64 x i1> <i1 1, i1 0, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 0, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 0, i1 1, i1 1, i1 1, i1 1, i1 0, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 0, i1 1, i1 1>, <64 x i1>* %R + ret void +} |
