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[ms] [llvm-ml] Fix macro case-insensitivity

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We previously had issues identifying macros not registered with a lowercase name.

Reviewed By: mstorsjo, thakis

Differential Revision: https://reviews.llvm.org/D106453
This commit is contained in:
Eric Astor 2021-07-22 15:50:37 -04:00
parent 001cdeb281
commit fa28271fe9
2 changed files with 56 additions and 18 deletions
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2
lib/MC/MCParser/MasmParser.cpp
View File

@ -5957,7 +5957,7 @@ bool MasmParser::parseDirectiveMacro(StringRef Name, SMLoc NameLoc) {
IsMacroFunction);
DEBUG_WITH_TYPE("asm-macros", dbgs() << "Defining new macro:\n";
Macro.dump());
getContext().defineMacro(Name, std::move(Macro));
getContext().defineMacro(Name.lower(), std::move(Macro));
return false;
}

72
test/tools/llvm-ml/macro.asm
View File

@ -8,7 +8,7 @@ xa1 DWORD ?
.code
substitution_macro macro a1:req, a2:=<7>
SubstitutionMacro macro a1:req, a2:=<7>
mov eax, a1
mov eax, a1&
mov eax, &a1
@ -27,7 +27,7 @@ endm
substitution_test_with_default PROC
; CHECK-LABEL: substitution_test_with_default:
substitution_macro 1
SubstitutionMacro 1
; CHECK: mov eax, 1
; CHECK-NEXT: mov eax, 1
; CHECK-NEXT: mov eax, 1
@ -46,7 +46,7 @@ substitution_test_with_default ENDP
substitution_test_with_value PROC
; CHECK-LABEL: substitution_test_with_value:
substitution_macro 2, 8
SubstitutionMacro 2, 8
; CHECK: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK-NEXT: mov eax, 2
@ -62,7 +62,45 @@ substitution_test_with_value PROC
ret
substitution_test_with_value ENDP
ambiguous_substitution_macro MACRO x, y
substitution_test_lowercase PROC
; CHECK-LABEL: substitution_test_lowercase:
substitutionmacro 2, 8
; CHECK: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK: mov eax, dword ptr [rip + xa1]
; CHECK-NEXT: mov eax, dword ptr [rip + x2]
; CHECK-NEXT: mov eax, dword ptr [rip + x2]
; CHECK: mov eax, 8
; CHECK-NEXT: mov eax, 8
; CHECK-NEXT: mov eax, 8
; CHECK-NEXT: mov eax, 8
ret
substitution_test_lowercase ENDP
substitution_test_uppercase PROC
; CHECK-LABEL: substitution_test_uppercase:
SUBSTITUTIONMACRO 2, 8
; CHECK: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK-NEXT: mov eax, 2
; CHECK: mov eax, dword ptr [rip + xa1]
; CHECK-NEXT: mov eax, dword ptr [rip + x2]
; CHECK-NEXT: mov eax, dword ptr [rip + x2]
; CHECK: mov eax, 8
; CHECK-NEXT: mov eax, 8
; CHECK-NEXT: mov eax, 8
; CHECK-NEXT: mov eax, 8
ret
substitution_test_uppercase ENDP
AmbiguousSubstitutionMacro MACRO x, y
x&y BYTE 0
ENDM
@ -70,7 +108,7 @@ ambiguous_substitution_test PROC
; CHECK-LABEL: ambiguous_substitution_test:
; should expand to ab BYTE 0
ambiguous_substitution_macro a, b
AmbiguousSubstitutionMacro a, b
; CHECK: ab:
; CHECK-NOT: ay:
@ -78,7 +116,7 @@ ambiguous_substitution_test PROC
; CHECK-NOT: xy:
ambiguous_substitution_test ENDP
ambiguous_substitution_in_string_macro MACRO x, y
AmbiguousSubstitutionInStringMacro MACRO x, y
BYTE "x&y"
ENDM
@ -86,14 +124,14 @@ ambiguous_substitution_in_string_test PROC
; CHECK-LABEL: ambiguous_substitution_in_string_test:
; should expand to BYTE "5y"
ambiguous_substitution_in_string_macro 5, 7
AmbiguousSubstitutionInStringMacro 5, 7
; CHECK: .byte 53
; CHECK-NEXT: .byte 121
; CHECK-NOT: .byte
ambiguous_substitution_in_string_test ENDP
optional_parameter_macro MACRO a1:req, a2
OptionalParameterMacro MACRO a1:req, a2
mov eax, a1
IFNB <a2>
mov eax, a2
@ -104,17 +142,17 @@ ENDM
optional_parameter_test PROC
; CHECK-LABEL: optional_parameter_test:
optional_parameter_macro 4
OptionalParameterMacro 4
; CHECK: mov eax, 4
; CHECK: ret
optional_parameter_macro 5, 9
OptionalParameterMacro 5, 9
; CHECK: mov eax, 5
; CHECK: mov eax, 9
; CHECK: ret
optional_parameter_test ENDP
local_symbol_macro MACRO
LocalSymbolMacro MACRO
LOCAL a
a: ret
jmp a
@ -123,22 +161,22 @@ ENDM
local_symbol_test PROC
; CHECK-LABEL: local_symbol_test:
local_symbol_macro
LocalSymbolMacro
; CHECK: "??0000":
; CHECK-NEXT: ret
; CHECK-NEXT: jmp "??0000"
local_symbol_macro
LocalSymbolMacro
; CHECK: "??0001":
; CHECK-NEXT: ret
; CHECK-NEXT: jmp "??0001"
local_symbol_test ENDP
PURGE ambiguous_substitution_macro, local_symbol_macro,
optional_parameter_macro
PURGE AmbiguousSubstitutionMacro, LocalSymbolMacro,
OptionalParameterMacro
; Redefinition
local_symbol_macro MACRO
LocalSymbolMacro MACRO
LOCAL b
b: xor eax, eax
jmp b
@ -147,7 +185,7 @@ ENDM
purge_test PROC
; CHECK-LABEL: purge_test:
local_symbol_macro
LocalSymbolMacro
; CHECK: "??0002":
; CHECK-NEXT: xor eax, eax
; CHECK-NEXT: jmp "??0002"