Files
clang-p2996/llvm/test/CodeGen/X86/regalloc-copy-hints.mir
Craig Topper 80aa2290fb [X86] Merge the different Jcc instructions for each condition code into single instructions that store the condition code as an operand.
Summary:
This avoids needing an isel pattern for each condition code. And it removes translation switches for converting between Jcc instructions and condition codes.

Now the printer, encoder and disassembler take care of converting the immediate. We use InstAliases to handle the assembly matching. But we print using the asm string in the instruction definition. The instruction itself is marked IsCodeGenOnly=1 to hide it from the assembly parser.

Reviewers: spatel, lebedev.ri, courbet, gchatelet, RKSimon

Reviewed By: RKSimon

Subscribers: MatzeB, qcolombet, eraman, hiraditya, arphaman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60228

llvm-svn: 357802
2019-04-05 19:28:09 +00:00

508 lines
14 KiB
YAML

# RUN: llc -mtriple=i386-unknown-unknown -mcpu=i486 %s -o - -run-pass greedy \
# RUN: -debug-only=regalloc 2>&1 | FileCheck %s
# REQUIRES: asserts
--- |
define void @fun() { ret void }
declare noalias nonnull i8* @_Znwj()
declare void @_ZNSt3__127__tree_balance_after_insertIPNS_16__tree_node_baseIPvEEEEvT_S5_()
declare zeroext i1 @_ZN15COLLADASaxFWL1429ColladaParserAutoGen14Private14_end__commentsEv()
declare zeroext i1 @_ZN15COLLADASaxFWL1429ColladaParserAutoGen14Private15_preEnd__authorEv()
...
---
# A physreg should always only be hinted once per getRegAllocationHints() query.
# CHECK: hints: $ebx $edi
# CHECK-NOT: hints: $ebx $edi $ebx $edi
name: fun
alignment: 4
tracksRegLiveness: true
registers:
- { id: 0, class: gr32 }
- { id: 1, class: gr32 }
- { id: 2, class: gr32 }
- { id: 3, class: gr32 }
- { id: 4, class: gr32 }
- { id: 5, class: gr32 }
- { id: 6, class: gr32 }
- { id: 7, class: gr32 }
- { id: 8, class: gr32 }
- { id: 9, class: gr32 }
- { id: 10, class: gr32 }
- { id: 11, class: gr32 }
- { id: 12, class: gr32 }
- { id: 13, class: gr32_abcd }
- { id: 14, class: gr8 }
- { id: 15, class: gr32_abcd }
- { id: 16, class: gr8 }
- { id: 17, class: gr32 }
- { id: 18, class: gr32_abcd }
- { id: 19, class: gr8 }
- { id: 20, class: gr32_abcd }
- { id: 21, class: gr8 }
- { id: 22, class: gr32_abcd }
- { id: 23, class: gr8 }
- { id: 24, class: gr32_abcd }
- { id: 25, class: gr8 }
- { id: 26, class: gr32_abcd }
- { id: 27, class: gr8 }
- { id: 28, class: gr32_abcd }
- { id: 29, class: gr8 }
- { id: 30, class: gr32_abcd }
- { id: 31, class: gr8 }
- { id: 32, class: gr32_abcd }
- { id: 33, class: gr8 }
- { id: 34, class: gr32 }
- { id: 35, class: gr32_abcd }
- { id: 36, class: gr8 }
- { id: 37, class: gr32 }
- { id: 38, class: gr32 }
- { id: 39, class: gr32_abcd }
- { id: 40, class: gr8 }
- { id: 41, class: gr32_abcd }
- { id: 42, class: gr8 }
- { id: 43, class: gr32_abcd }
- { id: 44, class: gr8 }
- { id: 45, class: gr32_abcd }
- { id: 46, class: gr8 }
- { id: 47, class: gr32_abcd }
- { id: 48, class: gr8 }
- { id: 49, class: gr8 }
- { id: 50, class: gr32_abcd }
- { id: 51, class: gr8 }
- { id: 52, class: gr32 }
- { id: 53, class: gr32 }
- { id: 54, class: gr32 }
- { id: 55, class: gr32 }
- { id: 56, class: gr32_abcd }
- { id: 57, class: gr8 }
- { id: 58, class: gr32_abcd }
- { id: 59, class: gr8 }
- { id: 60, class: gr32_abcd }
- { id: 61, class: gr8 }
- { id: 62, class: gr32_abcd }
- { id: 63, class: gr8 }
- { id: 64, class: gr32_abcd }
- { id: 65, class: gr8 }
- { id: 66, class: gr32_abcd }
- { id: 67, class: gr8 }
- { id: 68, class: gr32_abcd }
- { id: 69, class: gr8 }
- { id: 70, class: gr32_abcd }
- { id: 71, class: gr8 }
- { id: 72, class: gr32_abcd }
- { id: 73, class: gr8 }
- { id: 74, class: gr32 }
- { id: 75, class: gr32 }
- { id: 76, class: gr32_abcd }
- { id: 77, class: gr8 }
- { id: 78, class: gr32_abcd }
- { id: 79, class: gr32 }
- { id: 80, class: gr32 }
- { id: 81, class: gr32_abcd }
- { id: 82, class: gr32 }
frameInfo:
maxAlignment: 4
hasCalls: true
fixedStack:
- { id: 0, size: 4, alignment: 4, stack-id: 0, isImmutable: true }
body: |
bb.0:
successors: %bb.1(0x00000001), %bb.2(0x7fffffff)
%13:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %13.sub_8bit, %13.sub_8bit, implicit-def $eflags
JCC_1 %bb.2, 5, implicit killed $eflags
JMP_1 %bb.1
bb.1:
successors:
bb.2:
successors: %bb.4(0x7fffffff), %bb.3(0x00000001)
%15:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %15.sub_8bit, %15.sub_8bit, implicit-def $eflags
JCC_1 %bb.4, 5, implicit killed $eflags
JMP_1 %bb.3
bb.3:
successors:
bb.4:
successors: %bb.6(0x7fffffff), %bb.5(0x00000001)
%12:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg
%1:gr32 = LEA32r %12, 1, $noreg, 144, $noreg
MOV32mr undef %17:gr32, 1, $noreg, 0, $noreg, %1
%18:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %18.sub_8bit, %18.sub_8bit, implicit-def $eflags
JCC_1 %bb.6, 5, implicit killed $eflags
JMP_1 %bb.5
bb.5:
successors:
bb.6:
successors: %bb.7(0x00000001), %bb.8(0x7fffffff)
%20:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %20.sub_8bit, %20.sub_8bit, implicit-def $eflags
JCC_1 %bb.8, 5, implicit killed $eflags
JMP_1 %bb.7
bb.7:
successors:
bb.8:
successors: %bb.10(0x7fffffff), %bb.9(0x00000001)
%22:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %22.sub_8bit, %22.sub_8bit, implicit-def $eflags
JCC_1 %bb.10, 5, implicit killed $eflags
JMP_1 %bb.9
bb.9:
successors:
bb.10:
successors: %bb.12(0x7fffffff), %bb.11(0x00000001)
%24:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %24.sub_8bit, %24.sub_8bit, implicit-def $eflags
JCC_1 %bb.12, 5, implicit killed $eflags
JMP_1 %bb.11
bb.11:
successors:
bb.12:
successors: %bb.13(0x00000001), %bb.14(0x7fffffff)
%26:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %26.sub_8bit, %26.sub_8bit, implicit-def $eflags
JCC_1 %bb.14, 5, implicit killed $eflags
JMP_1 %bb.13
bb.13:
successors:
bb.14:
%0:gr32 = LEA32r %12, 1, $noreg, 80, $noreg
%28:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %28.sub_8bit, %28.sub_8bit, implicit-def $eflags
JCC_1 %bb.20, 5, implicit killed $eflags
JMP_1 %bb.15
bb.15:
successors: %bb.16(0x00000001), %bb.17(0x7fffffff)
%78:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %78.sub_8bit, %78.sub_8bit, implicit-def $eflags
JCC_1 %bb.17, 5, implicit killed $eflags
JMP_1 %bb.16
bb.16:
successors:
bb.17:
successors: %bb.18(0x7fffffff), %bb.19(0x00000001)
TEST8rr %78.sub_8bit, %78.sub_8bit, implicit-def $eflags
JCC_1 %bb.19, 4, implicit killed $eflags
bb.18:
%79:gr32 = LEA32r %12, 1, $noreg, 80, $noreg
JMP_1 %bb.21
bb.19:
successors:
bb.20:
%78:gr32_abcd = COPY %0
%79:gr32 = COPY %0
bb.21:
successors: %bb.22, %bb.23
%35:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %35.sub_8bit, %35.sub_8bit, implicit-def $eflags
%80:gr32 = IMPLICIT_DEF
JCC_1 %bb.23, 5, implicit killed $eflags
JMP_1 %bb.22
bb.22:
ADJCALLSTACKDOWN32 0, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
CALLpcrel32 @_Znwj, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp, implicit-def $eax
ADJCALLSTACKUP32 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
%80:gr32 = COPY killed $eax
MOV32mr undef %38:gr32, 1, $noreg, 0, $noreg, %78
MOV32mr %79, 1, $noreg, 0, $noreg, %80
ADJCALLSTACKDOWN32 0, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
CALLpcrel32 @_ZNSt3__127__tree_balance_after_insertIPNS_16__tree_node_baseIPvEEEEvT_S5_, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp
ADJCALLSTACKUP32 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
bb.23:
successors: %bb.24(0x00000001), %bb.25(0x7fffffff)
MOV32mi %80, 1, $noreg, 52, $noreg, @_ZN15COLLADASaxFWL1429ColladaParserAutoGen14Private15_preEnd__authorEv
%39:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %39.sub_8bit, %39.sub_8bit, implicit-def $eflags
JCC_1 %bb.25, 5, implicit killed $eflags
JMP_1 %bb.24
bb.24:
successors:
bb.25:
successors: %bb.27(0x7fffffff), %bb.26(0x00000001)
%41:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %41.sub_8bit, %41.sub_8bit, implicit-def $eflags
JCC_1 %bb.27, 5, implicit killed $eflags
JMP_1 %bb.26
bb.26:
successors:
bb.27:
successors: %bb.29(0x7fffffff), %bb.28(0x00000001)
%43:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %43.sub_8bit, %43.sub_8bit, implicit-def $eflags
JCC_1 %bb.29, 5, implicit killed $eflags
JMP_1 %bb.28
bb.28:
successors:
bb.29:
successors: %bb.31(0x7fffffff), %bb.30(0x00000001)
%45:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %45.sub_8bit, %45.sub_8bit, implicit-def $eflags
JCC_1 %bb.31, 5, implicit killed $eflags
JMP_1 %bb.30
bb.30:
successors:
bb.31:
successors: %bb.32(0x00000001), %bb.33(0x7fffffff)
%47:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %47.sub_8bit, %47.sub_8bit, implicit-def $eflags
JCC_1 %bb.33, 5, implicit killed $eflags
JMP_1 %bb.32
bb.32:
successors:
bb.33:
successors: %bb.37(0x30000000), %bb.34(0x50000000)
%49:gr8 = MOV8ri 1
TEST8rr %49, %49, implicit-def $eflags
JCC_1 %bb.37, 5, implicit killed $eflags
JMP_1 %bb.34
bb.34:
successors: %bb.36(0x00000001), %bb.35(0x7fffffff)
%81:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %81.sub_8bit, %81.sub_8bit, implicit-def $eflags
JCC_1 %bb.36, 4, implicit killed $eflags
bb.35:
%82:gr32 = LEA32r %12, 1, $noreg, 80, $noreg
JMP_1 %bb.38
bb.36:
successors:
bb.37:
%81:gr32_abcd = COPY %0
%82:gr32 = COPY %0
bb.38:
successors: %bb.40(0x7fffffff), %bb.39(0x00000001)
ADJCALLSTACKDOWN32 0, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
CALLpcrel32 @_Znwj, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp, implicit-def $eax
ADJCALLSTACKUP32 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
%52:gr32 = COPY killed $eax
MOV32mr undef %53:gr32, 1, $noreg, 0, $noreg, %81
MOV32mr %82, 1, $noreg, 0, $noreg, %52
ADJCALLSTACKDOWN32 0, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
CALLpcrel32 @_ZNSt3__127__tree_balance_after_insertIPNS_16__tree_node_baseIPvEEEEvT_S5_, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp
ADJCALLSTACKUP32 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
MOV32mi %52, 1, $noreg, 36, $noreg, @_ZN15COLLADASaxFWL1429ColladaParserAutoGen14Private14_end__commentsEv
MOV32mr undef %54:gr32, 1, $noreg, 0, $noreg, %1
%55:gr32 = MOV32rm %12, 1, $noreg, 140, $noreg
CMP32mi8 %55, 1, $noreg, 0, $noreg, 0, implicit-def $eflags
JCC_1 %bb.40, 4, implicit killed $eflags
JMP_1 %bb.39
bb.39:
successors:
bb.40:
successors: %bb.42(0x00000001), %bb.41(0x7fffffff)
%56:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %56.sub_8bit, %56.sub_8bit, implicit-def $eflags
JCC_1 %bb.42, 5, implicit killed $eflags
JMP_1 %bb.41
bb.41:
successors: %bb.43(0x00000001), %bb.44(0x7fffffff)
%58:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %58.sub_8bit, %58.sub_8bit, implicit-def $eflags
JCC_1 %bb.43, 5, implicit killed $eflags
JMP_1 %bb.44
bb.42:
successors:
bb.43:
successors:
bb.44:
successors: %bb.45(0x00000001), %bb.46(0x7fffffff)
%60:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %60.sub_8bit, %60.sub_8bit, implicit-def $eflags
JCC_1 %bb.46, 5, implicit killed $eflags
JMP_1 %bb.45
bb.45:
successors:
bb.46:
successors: %bb.48(0x7fffffff), %bb.47(0x00000001)
%62:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %62.sub_8bit, %62.sub_8bit, implicit-def $eflags
JCC_1 %bb.48, 5, implicit killed $eflags
JMP_1 %bb.47
bb.47:
successors:
bb.48:
successors: %bb.50(0x7fffffff), %bb.49(0x00000001)
%64:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %64.sub_8bit, %64.sub_8bit, implicit-def $eflags
JCC_1 %bb.50, 5, implicit killed $eflags
JMP_1 %bb.49
bb.49:
successors:
bb.50:
successors: %bb.51(0x00000001), %bb.52(0x7fffffff)
%66:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %66.sub_8bit, %66.sub_8bit, implicit-def $eflags
JCC_1 %bb.52, 5, implicit killed $eflags
JMP_1 %bb.51
bb.51:
successors:
bb.52:
successors: %bb.54(0x7fffffff), %bb.53(0x00000001)
%68:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %68.sub_8bit, %68.sub_8bit, implicit-def $eflags
JCC_1 %bb.54, 5, implicit killed $eflags
JMP_1 %bb.53
bb.53:
successors:
bb.54:
successors: %bb.55(0x00000001), %bb.56(0x7fffffff)
%70:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %70.sub_8bit, %70.sub_8bit, implicit-def $eflags
JCC_1 %bb.56, 5, implicit killed $eflags
JMP_1 %bb.55
bb.55:
successors:
bb.56:
successors: %bb.57(0x00000001), %bb.58(0x7fffffff)
%72:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %72.sub_8bit, %72.sub_8bit, implicit-def $eflags
JCC_1 %bb.58, 5, implicit killed $eflags
JMP_1 %bb.57
bb.57:
successors:
bb.58:
successors: %bb.62(0x00000001), %bb.59(0x7fffffff)
CMP32mi8 %0, 1, $noreg, 0, $noreg, 0, implicit-def $eflags
JCC_1 %bb.62, 4, implicit killed $eflags
JMP_1 %bb.59
bb.59:
bb.60:
successors: %bb.60(0x7fffffff), %bb.61(0x00000001)
CMP32ri undef %75:gr32, 95406325, implicit-def $eflags
JCC_1 %bb.61, 2, implicit killed $eflags
JMP_1 %bb.60
bb.61:
successors:
bb.62:
successors: %bb.63, %bb.64
%76:gr32_abcd = MOV32r0 implicit-def dead $eflags
TEST8rr %76.sub_8bit, %76.sub_8bit, implicit-def $eflags
JCC_1 %bb.64, 5, implicit killed $eflags
JMP_1 %bb.63
bb.63:
successors:
bb.64:
...