diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td | 159 |
1 files changed, 85 insertions, 74 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td index 700a196fa29..fbb3df2f7b8 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td +++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td @@ -25,59 +25,63 @@ let Defs = [ARGUMENTS] in { // Basic load. -def LOAD_I32 : I<(outs I32:$dst), (ins I32:$addr), - [(set I32:$dst, (load I32:$addr))], - "i32.load\t$dst, $addr">; -def LOAD_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (load I32:$addr))], - "i64.load\t$dst, $addr">; -def LOAD_F32 : I<(outs F32:$dst), (ins I32:$addr), - [(set F32:$dst, (load I32:$addr))], - "f32.load\t$dst, $addr">; -def LOAD_F64 : I<(outs F64:$dst), (ins I32:$addr), - [(set F64:$dst, (load I32:$addr))], - "f64.load\t$dst, $addr">; +def LOAD_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr), [], + "i32.load\t$dst, $off($addr)">; +def LOAD_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load\t$dst, $off($addr)">; +def LOAD_F32 : I<(outs F32:$dst), (ins I32:$off, I32:$addr), [], + "f32.load\t$dst, $off($addr)">; +def LOAD_F64 : I<(outs F64:$dst), (ins I32:$off, I32:$addr), [], + "f64.load\t$dst, $off($addr)">; // Extending load. -def LOAD8_S_I32 : I<(outs I32:$dst), (ins I32:$addr), - [(set I32:$dst, (sextloadi8 I32:$addr))], - "i32.load8_s\t$dst, $addr">; -def LOAD8_U_I32 : I<(outs I32:$dst), (ins I32:$addr), - [(set I32:$dst, (zextloadi8 I32:$addr))], - "i32.load8_u\t$dst, $addr">; -def LOAD16_S_I32 : I<(outs I32:$dst), (ins I32:$addr), - [(set I32:$dst, (sextloadi16 I32:$addr))], - "i32.load16_s\t$dst, $addr">; -def LOAD16_U_I32 : I<(outs I32:$dst), (ins I32:$addr), - [(set I32:$dst, (zextloadi16 I32:$addr))], - "i32.load16_u\t$dst, $addr">; -def LOAD8_S_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (sextloadi8 I32:$addr))], - "i64.load8_s\t$dst, $addr">; -def LOAD8_U_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (zextloadi8 I32:$addr))], - "i64.load8_u\t$dst, $addr">; -def LOAD16_S_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (sextloadi16 I32:$addr))], - "i64.load16_s\t$dst, $addr">; -def LOAD16_U_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (zextloadi16 I32:$addr))], - "i64.load16_u\t$dst, $addr">; -def LOAD32_S_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (sextloadi32 I32:$addr))], - "i64.load32_s\t$dst, $addr">; -def LOAD32_U_I64 : I<(outs I64:$dst), (ins I32:$addr), - [(set I64:$dst, (zextloadi32 I32:$addr))], - "i64.load32_u\t$dst, $addr">; +def LOAD8_S_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr), [], + "i32.load8_s\t$dst, $off($addr)">; +def LOAD8_U_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr), [], + "i32.load8_u\t$dst, $off($addr)">; +def LOAD16_S_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr), [], + "i32.load16_s\t$dst, $off($addr)">; +def LOAD16_U_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr), [], + "i32.load16_u\t$dst, $off($addr)">; +def LOAD8_S_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load8_s\t$dst, $off($addr)">; +def LOAD8_U_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load8_u\t$dst, $off($addr)">; +def LOAD16_S_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load16_s\t$dst, $off($addr)">; +def LOAD16_U_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load16_u\t$dst, $off($addr)">; +def LOAD32_S_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load32_s\t$dst, $off($addr)">; +def LOAD32_U_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr), [], + "i64.load32_u\t$dst, $off($addr)">; } // Defs = [ARGUMENTS] +// Select loads with no constant offset. +def : Pat<(i32 (load I32:$addr)), (LOAD_I32 0, $addr)>; +def : Pat<(i64 (load I32:$addr)), (LOAD_I64 0, $addr)>; +def : Pat<(f32 (load I32:$addr)), (LOAD_F32 0, $addr)>; +def : Pat<(f64 (load I32:$addr)), (LOAD_F64 0, $addr)>; + +// Select extending loads with no constant offset. +def : Pat<(i32 (sextloadi8 I32:$addr)), (LOAD8_S_I32 0, $addr)>; +def : Pat<(i32 (zextloadi8 I32:$addr)), (LOAD8_U_I32 0, $addr)>; +def : Pat<(i32 (sextloadi16 I32:$addr)), (LOAD16_S_I32 0, $addr)>; +def : Pat<(i32 (zextloadi16 I32:$addr)), (LOAD16_U_I32 0, $addr)>; +def : Pat<(i64 (sextloadi8 I32:$addr)), (LOAD8_S_I64 0, $addr)>; +def : Pat<(i64 (zextloadi8 I32:$addr)), (LOAD8_U_I64 0, $addr)>; +def : Pat<(i64 (sextloadi16 I32:$addr)), (LOAD16_S_I64 0, $addr)>; +def : Pat<(i64 (zextloadi16 I32:$addr)), (LOAD16_U_I64 0, $addr)>; +def : Pat<(i64 (sextloadi32 I32:$addr)), (LOAD32_S_I64 0, $addr)>; +def : Pat<(i64 (zextloadi32 I32:$addr)), (LOAD32_U_I64 0, $addr)>; + // "Don't care" extending load become zero-extending load. -def : Pat<(i32 (extloadi8 I32:$addr)), (LOAD8_U_I32 $addr)>; -def : Pat<(i32 (extloadi16 I32:$addr)), (LOAD16_U_I32 $addr)>; -def : Pat<(i64 (extloadi8 I32:$addr)), (LOAD8_U_I64 $addr)>; -def : Pat<(i64 (extloadi16 I32:$addr)), (LOAD16_U_I64 $addr)>; -def : Pat<(i64 (extloadi32 I32:$addr)), (LOAD32_U_I64 $addr)>; +def : Pat<(i32 (extloadi8 I32:$addr)), (LOAD8_U_I32 0, $addr)>; +def : Pat<(i32 (extloadi16 I32:$addr)), (LOAD16_U_I32 0, $addr)>; +def : Pat<(i64 (extloadi8 I32:$addr)), (LOAD8_U_I64 0, $addr)>; +def : Pat<(i64 (extloadi16 I32:$addr)), (LOAD16_U_I64 0, $addr)>; +def : Pat<(i64 (extloadi32 I32:$addr)), (LOAD32_U_I64 0, $addr)>; let Defs = [ARGUMENTS] in { @@ -87,48 +91,55 @@ let Defs = [ARGUMENTS] in { // instruction definition patterns that don't reference all of the output // operands. // Note: WebAssembly inverts SelectionDAG's usual operand order. -def STORE_I32 : I<(outs I32:$dst), (ins I32:$addr, I32:$val), [], - "i32.store\t$dst, $addr, $val">; -def STORE_I64 : I<(outs I64:$dst), (ins I32:$addr, I64:$val), [], - "i64.store\t$dst, $addr, $val">; -def STORE_F32 : I<(outs F32:$dst), (ins I32:$addr, F32:$val), [], - "f32.store\t$dst, $addr, $val">; -def STORE_F64 : I<(outs F64:$dst), (ins I32:$addr, F64:$val), [], - "f64.store\t$dst, $addr, $val">; +def STORE_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr, I32:$val), [], + "i32.store\t$dst, $off($addr), $val">; +def STORE_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr, I64:$val), [], + "i64.store\t$dst, $off($addr), $val">; +def STORE_F32 : I<(outs F32:$dst), (ins I32:$off, I32:$addr, F32:$val), [], + "f32.store\t$dst, $off($addr), $val">; +def STORE_F64 : I<(outs F64:$dst), (ins I32:$off, I32:$addr, F64:$val), [], + "f64.store\t$dst, $off($addr), $val">; } // Defs = [ARGUMENTS] -def : Pat<(store I32:$val, I32:$addr), (STORE_I32 I32:$addr, I32:$val)>; -def : Pat<(store I64:$val, I32:$addr), (STORE_I64 I32:$addr, I64:$val)>; -def : Pat<(store F32:$val, I32:$addr), (STORE_F32 I32:$addr, F32:$val)>; -def : Pat<(store F64:$val, I32:$addr), (STORE_F64 I32:$addr, F64:$val)>; +def : Pat<(store I32:$val, I32:$addr), (STORE_I32 0, I32:$addr, I32:$val)>; +def : Pat<(store I64:$val, I32:$addr), (STORE_I64 0, I32:$addr, I64:$val)>; +def : Pat<(store F32:$val, I32:$addr), (STORE_F32 0, I32:$addr, F32:$val)>; +def : Pat<(store F64:$val, I32:$addr), (STORE_F64 0, I32:$addr, F64:$val)>; + +// FIXME: This pattern matches an immediate to actually use the offset field +// in the store instruction; however only unsigned offsets are supported in +// wasm, so we need to constrain the immediate we match. This may require +// custom code rather than a simple pattern. +// def : Pat<(store I32:$val, (add I32:$addr, (i32 imm:$off))), +// (STORE_I32 imm:$off, I32:$addr, I32:$val)>; let Defs = [ARGUMENTS] in { // Truncating store. -def STORE8_I32 : I<(outs I32:$dst), (ins I32:$addr, I32:$val), [], - "i32.store8\t$dst, $addr, $val">; -def STORE16_I32 : I<(outs I32:$dst), (ins I32:$addr, I32:$val), [], - "i32.store16\t$dst, $addr, $val">; -def STORE8_I64 : I<(outs I64:$dst), (ins I32:$addr, I64:$val), [], - "i64.store8\t$dst, $addr, $val">; -def STORE16_I64 : I<(outs I64:$dst), (ins I32:$addr, I64:$val), [], - "i64.store16\t$dst, $addr, $val">; -def STORE32_I64 : I<(outs I64:$dst), (ins I32:$addr, I64:$val), [], - "i64.store32\t$dst, $addr, $val">; +def STORE8_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr, I32:$val), [], + "i32.store8\t$dst, $off($addr), $val">; +def STORE16_I32 : I<(outs I32:$dst), (ins I32:$off, I32:$addr, I32:$val), [], + "i32.store16\t$dst, $off($addr), $val">; +def STORE8_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr, I64:$val), [], + "i64.store8\t$dst, $off($addr), $val">; +def STORE16_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr, I64:$val), [], + "i64.store16\t$dst, $off($addr), $val">; +def STORE32_I64 : I<(outs I64:$dst), (ins I32:$off, I32:$addr, I64:$val), [], + "i64.store32\t$dst, $off($addr), $val">; } // Defs = [ARGUMENTS] def : Pat<(truncstorei8 I32:$val, I32:$addr), - (STORE8_I32 I32:$addr, I32:$val)>; + (STORE8_I32 0, I32:$addr, I32:$val)>; def : Pat<(truncstorei16 I32:$val, I32:$addr), - (STORE16_I32 I32:$addr, I32:$val)>; + (STORE16_I32 0, I32:$addr, I32:$val)>; def : Pat<(truncstorei8 I64:$val, I32:$addr), - (STORE8_I64 I32:$addr, I64:$val)>; + (STORE8_I64 0, I32:$addr, I64:$val)>; def : Pat<(truncstorei16 I64:$val, I32:$addr), - (STORE16_I64 I32:$addr, I64:$val)>; + (STORE16_I64 0, I32:$addr, I64:$val)>; def : Pat<(truncstorei32 I64:$val, I32:$addr), - (STORE32_I64 I32:$addr, I64:$val)>; + (STORE32_I64 0, I32:$addr, I64:$val)>; let Defs = [ARGUMENTS] in { |