Dmitry Vasilyev e64c9d1c2f
[Transforms] Allow non-regex Source in SymbolRewriter in case of using ExplicitRewriteDescriptor (#154319)
Do not check that Source is a valid regex in case of Target (explicit)
transformation. Source may contain special symbols that may cause an
incorrect `invalid regex` error.

Note that source and exactly one of [Target, Transform] must be
provided.

`Target (explicit transformation)`: In this kind of rule `Source` is
treated as a symbol name and is matched in its entirety. `Target` field
will denote the symbol name to transform to.

`Transform (pattern transformation)`: This rule treats `Source` as a
regex that should match the complete symbol name. `Transform` is a regex
specifying the name to transform to.
2025-08-26 22:52:06 +04:00

107 lines
4.0 KiB
LLVM

; RUN: opt -mtriple i686-win32 -passes='rewrite-symbols' -rewrite-map-file %p/rewrite.map \
; RUN: %s -o - | llvm-dis | FileCheck %s
declare void @source_function()
@source_variable = external global i32
declare void @source_function_pattern_function()
declare void @source_function_pattern_multiple_function_matches()
@source_variable_pattern_variable = external global i32
@source_variable_pattern_multiple_variable_matches = external global i32
declare void @"\01naked_source_function"()
declare void @"\01__imp_missing_global_leader_prefix"()
declare i32 @first_callee()
declare i32 @second_callee()
define i32 @caller() {
%rhs = call i32 @first_callee()
%lhs = call i32 @second_callee()
%res = add i32 %rhs, %lhs
ret i32 %res
}
%struct.S = type { i8 }
@_ZN1SC1Ev = alias void (ptr), ptr @_ZN1SC2Ev
define void @_ZN1SC2Ev(ptr %this) unnamed_addr align 2 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
ret void
}
$source_comdat_function = comdat any
define dllexport void @source_comdat_function() comdat($source_comdat_function) {
entry:
ret void
}
$source_comdat_function_1 = comdat exactmatch
define dllexport void @source_comdat_function_1() comdat($source_comdat_function_1) {
entry:
ret void
}
$source_comdat_variable = comdat largest
@source_comdat_variable = global i32 32, comdat($source_comdat_variable)
$source_comdat_variable_1 = comdat nodeduplicate
@source_comdat_variable_1 = global i32 64, comdat($source_comdat_variable_1)
declare void @"?source_bad_regex_function"()
@"?source_bad_regex_variable" = external global i32
@"?source_bad_regex_alias" = alias void (ptr), ptr @_ZN1SC2Ev
; CHECK: $target_comdat_function = comdat any
; CHECK: $target_comdat_function_1 = comdat exactmatch
; CHECK: $target_comdat_variable = comdat largest
; CHECK: $target_comdat_variable_1 = comdat nodeduplicate
; CHECK: @target_variable = external global i32
; CHECK-NOT: @source_variable = external global i32
; CHECK: @target_pattern_variable = external global i32
; CHECK-NOT: @source_pattern_variable = external global i32
; CHECK: @target_pattern_multiple_variable_matches = external global i32
; CHECK-NOT: @source_pattern_multiple_variable_matches = external global i32
; CHECK: @target_comdat_variable = global i32 32, comdat
; CHECK-NOT: @source_comdat_variable = global i32 32, comdat
; CHECK: @target_comdat_variable_1 = global i32 64, comdat
; CHECK-NOT: @source_comdat_variable_1 = global i32 64, comdat
; CHECK: @target_bad_regex_variable = external global i32
; CHECK-NOT: @"?source_bad_regex_variable" = external global i32
; CHECK: @target_bad_regex_alias = alias void (ptr), ptr @_ZN1SC2Ev
; CHECK-NOT: @"?source_bad_regex_alias" = alias void (ptr), ptr @_ZN1SC2Ev
; CHECK: declare void @target_function()
; CHECK-NOT: declare void @source_function()
; CHECK: declare void @target_pattern_function()
; CHECK-NOT: declare void @source_function_pattern_function()
; CHECK: declare void @target_pattern_multiple_function_matches()
; CHECK-NOT: declare void @source_function_pattern_multiple_function_matches()
; CHECK: declare void @naked_target_function()
; CHECK-NOT: declare void @"\01naked_source_function"()
; CHECK-NOT: declare void @"\01__imp__imported_function"()
; CHECK: declare void @"\01__imp_missing_global_leader_prefix"()
; CHECK-NOT: declare void @"\01__imp_DO_NOT_REWRITE"()
; CHECK: declare i32 @renamed_callee()
; CHECK-NOT: declare i32 @first_callee()
; CHECK: declare i32 @second_callee()
; CHECK: define i32 @caller() {
; CHECK: %rhs = call i32 @renamed_callee()
; CHECK-NOT: %rhs = call i32 @first_callee()
; CHECK: %lhs = call i32 @second_callee()
; CHECK: %res = add i32 %rhs, %lhs
; CHECK: ret i32 %res
; CHECK: }
; CHECK: define dllexport void @target_comdat_function() comdat
; CHECK-NOT: define dllexport void @source_comdat_function() comdat
; CHECK: define dllexport void @target_comdat_function_1() comdat
; CHECK-NOT: define dllexport void @source_comdat_function_1() comdat
; CHECK: declare void @target_bad_regex_function()
; CHECK-NOT: declare void @"?source_bad_regex_function"()