A special test to demonstrate debug logging for asm matcher.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321497 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/X86/x86_64-asm-match.s b/test/MC/X86/x86_64-asm-match.s
new file mode 100644 (file)
index 0000000..3208e4f
--- /dev/null
+++ b/test/MC/X86/x86_64-asm-match.s
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+// RUN: llvm-mc -triple x86_64-unknown-unknown  -debug-only=asm-matcher  %s 2>&1 | FileCheck %s
+// REQUIRES: asserts
+
+// CHECK: AsmMatcher: found 4 encodings with mnemonic 'pshufb'
+// CHECK:Trying to match opcode MMX_PSHUFBrr64
+// CHECK:  Matching formal operand class MCK_VR64 against actual operand at index 1 (): Opcode result: multiple operand mismatches, ignoring this opcode
+// CHECK:Trying to match opcode PSHUFBrr
+// CHECK:  Matching formal operand class MCK_FR32 against actual operand at index 1 (): Opcode result: multiple operand mismatches, ignoring this opcode
+// CHECK:Trying to match opcode PSHUFBrm
+// CHECK:  Matching formal operand class MCK_Mem128 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_FR32 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class InvalidMatchClass against actual operand at index 3: actual operand index out of range Opcode result: complete match, selecting this opcode
+// CHECK:AsmMatcher: found 2 encodings with mnemonic 'sha1rnds4'
+// CHECK:Trying to match opcode SHA1RNDS4rri
+// CHECK:  Matching formal operand class MCK_ImmUnsignedi8 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_FR32 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_FR32 against actual operand at index 3 (): match success using generic matcher
+// CHECK:  Matching formal operand class InvalidMatchClass against actual operand at index 4: actual operand index out of range Opcode result: complete match, selecting this opcode
+// CHECK:AsmMatcher: found 4 encodings with mnemonic 'pinsrw'
+// CHECK:Trying to match opcode MMX_PINSRWirri
+// CHECK:  Matching formal operand class MCK_ImmUnsignedi8 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_GR32orGR64 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_VR64 against actual operand at index 3 (): Opcode result: multiple operand mismatches, ignoring this opcode
+// CHECK:Trying to match opcode PINSRWrri
+// CHECK:  Matching formal operand class MCK_ImmUnsignedi8 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_GR32orGR64 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_FR32 against actual operand at index 3 (): match success using generic matcher
+// CHECK:  Matching formal operand class InvalidMatchClass against actual operand at index 4: actual operand index out of range Opcode result: complete match, selecting this opcode
+// CHECK:AsmMatcher: found 2 encodings with mnemonic 'crc32l'
+// CHECK:Trying to match opcode CRC32r32r32
+// CHECK:  Matching formal operand class MCK_GR32 against actual operand at index 1 (): Opcode result: multiple operand mismatches, ignoring this opcode
+// CHECK:Trying to match opcode CRC32r32m32
+// CHECK:  Matching formal operand class MCK_Mem32 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_GR32 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class InvalidMatchClass against actual operand at index 3: actual operand index out of range Opcode result: complete match, selecting this opcode
+// CHECK:AsmMatcher: found 4 encodings with mnemonic 'punpcklbw'
+// CHECK:Trying to match opcode MMX_PUNPCKLBWirr
+// CHECK:  Matching formal operand class MCK_VR64 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_VR64 against actual operand at index 2 (): Opcode result: multiple operand mismatches, ignoring this opcode
+// CHECK:Trying to match opcode MMX_PUNPCKLBWirm
+// CHECK:  Matching formal operand class MCK_VR64 against actual operand at index 1 (): match success using generic matcher
+// CHECK:  Matching formal operand class MCK_Mem64 against actual operand at index 2 (): match success using generic matcher
+// CHECK:  Matching formal operand class InvalidMatchClass against actual operand at index 3: actual operand index out of range Opcode result: complete match, selecting this opcode
+
+
+pshufb    CPI1_0(%rip), %xmm1
+sha1rnds4 $1, %xmm1, %xmm2
+pinsrw    $3, %ecx, %xmm5
+crc32l    %gs:0xdeadbeef(%rbx,%rcx,8),%ecx
+
+.intel_syntax
+punpcklbw mm0, qword ptr [rsp]