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[X86] Do not directly fold for VINSERTPS #65718

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Merged
merged 2 commits into from
Sep 8, 2023
Merged

[X86] Do not directly fold for VINSERTPS #65718

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cb3682e
[X86] Do not directly fold for VINSERTPS
phoebewang Sep 8, 2023
4d5bf91
Move to INSERTPSrr together
phoebewang Sep 8, 2023
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6 changes: 4 additions & 2 deletions llvm/test/CodeGen/X86/avx.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -184,12 +184,14 @@ define <4 x float> @nofold_insertps(ptr %a, <4 x float> %b) {
; X86-LABEL: nofold_insertps:
; X86: ## %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: vinsertps $176, (%eax), %xmm0, %xmm0 ## xmm0 = xmm0[0,1,2],mem[2]
; X86-NEXT: vmovups (%eax), %xmm1
; X86-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[2]
; X86-NEXT: retl
;
; X64-LABEL: nofold_insertps:
; X64: ## %bb.0:
; X64-NEXT: vinsertps $176, (%rdi), %xmm0, %xmm0 ## xmm0 = xmm0[0,1,2],mem[2]
; X64-NEXT: vmovups (%rdi), %xmm1
; X64-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[2]
; X64-NEXT: retq
%1 = load <4 x float>, ptr %a, align 1
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 0, i32 1, i32 2, i32 6>
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2 changes: 0 additions & 2 deletions llvm/test/TableGen/x86-fold-tables.inc
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Expand Up @@ -2105,8 +2105,6 @@ static const X86MemoryFoldTableEntry MemoryFoldTable2[] = {
{X86::VINSERTI64x2Z256rr, X86::VINSERTI64x2Z256rm, 0},
{X86::VINSERTI64x2Zrr, X86::VINSERTI64x2Zrm, 0},
{X86::VINSERTI64x4Zrr, X86::VINSERTI64x4Zrm, 0},
{X86::VINSERTPSZrr, X86::VINSERTPSZrm, TB_NO_REVERSE},
{X86::VINSERTPSrr, X86::VINSERTPSrm, TB_NO_REVERSE},
{X86::VMAXCPDYrr, X86::VMAXCPDYrm, 0},
{X86::VMAXCPDZ128rr, X86::VMAXCPDZ128rm, 0},
{X86::VMAXCPDZ256rr, X86::VMAXCPDZ256rm, 0},
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2 changes: 2 additions & 0 deletions llvm/utils/TableGen/X86ManualFoldTables.def
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Expand Up @@ -225,6 +225,8 @@ NOFOLD(MMX_MOVQ64rr_REV)
// =>
// insertpsrm xmm1, m32, imm
NOFOLD(INSERTPSrr)
NOFOLD(VINSERTPSZrr)
NOFOLD(VINSERTPSrr)
#undef NOFOLD

#ifndef ENTRY
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