Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
------------------------------------------------------------------------ r359496 | mstorsjo | 2019-04-29 13:25:51 -0700 (Mon, 29 Apr 2019) | 8 lines [X86] Run CFIInstrInserter on Windows if Dwarf is used This is necessary since SVN r330706, as tail merging can include CFI instructions since then. This fixes PR40322 and PR40012. Differential Revision: https://reviews.llvm.org/D61252 ------------------------------------------------------------------------ llvm-svn: 359952
- Loading branch information
Showing
2 changed files
with
169 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,164 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc < %s -mtriple=i686-windows-gnu | FileCheck %s --check-prefix=CHECK-MINGW-X86 | ||
|
||
%struct.as = type { i32* } | ||
|
||
@_ZZ2amiE2au = internal unnamed_addr global %struct.as zeroinitializer, align 4 | ||
@_ZGVZ2amiE2au = internal global i64 0, align 8 | ||
@_ZTIi = external constant i8* | ||
|
||
define void @_Z2ami(i32) #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { | ||
; CHECK-MINGW-X86-LABEL: _Z2ami: | ||
; CHECK-MINGW-X86: # %bb.0: # %entry | ||
; CHECK-MINGW-X86-NEXT: pushl %edi | ||
; CHECK-MINGW-X86-NEXT: .cfi_def_cfa_offset 8 | ||
; CHECK-MINGW-X86-NEXT: pushl %esi | ||
; CHECK-MINGW-X86-NEXT: .cfi_def_cfa_offset 12 | ||
; CHECK-MINGW-X86-NEXT: .cfi_offset %esi, -12 | ||
; CHECK-MINGW-X86-NEXT: .cfi_offset %edi, -8 | ||
; CHECK-MINGW-X86-NEXT: movb __ZGVZ2amiE2au, %al | ||
; CHECK-MINGW-X86-NEXT: testb %al, %al | ||
; CHECK-MINGW-X86-NEXT: jne LBB0_4 | ||
; CHECK-MINGW-X86-NEXT: # %bb.1: # %init.check | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $__ZGVZ2amiE2au | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll ___cxa_guard_acquire | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: testl %eax, %eax | ||
; CHECK-MINGW-X86-NEXT: je LBB0_4 | ||
; CHECK-MINGW-X86-NEXT: # %bb.2: # %init | ||
; CHECK-MINGW-X86-NEXT: Ltmp0: | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $4 | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll __Znwj | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: Ltmp1: | ||
; CHECK-MINGW-X86-NEXT: # %bb.3: # %invoke.cont | ||
; CHECK-MINGW-X86-NEXT: movl %eax, __ZZ2amiE2au | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $__ZGVZ2amiE2au | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll ___cxa_guard_release | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: LBB0_4: # %init.end | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $4 | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll __Znwj | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: movl %eax, %esi | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $4 | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll ___cxa_allocate_exception | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: movl $0, (%eax) | ||
; CHECK-MINGW-X86-NEXT: Ltmp3: | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x0c | ||
; CHECK-MINGW-X86-NEXT: movl .refptr.__ZTIi, %ecx | ||
; CHECK-MINGW-X86-NEXT: pushl $0 | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: pushl %ecx | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: pushl %eax | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll ___cxa_throw | ||
; CHECK-MINGW-X86-NEXT: addl $12, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -12 | ||
; CHECK-MINGW-X86-NEXT: Ltmp4: | ||
; CHECK-MINGW-X86-NEXT: # %bb.8: # %unreachable | ||
; CHECK-MINGW-X86-NEXT: LBB0_5: # %lpad | ||
; CHECK-MINGW-X86-NEXT: Ltmp2: | ||
; CHECK-MINGW-X86-NEXT: movl %eax, %edi | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl $__ZGVZ2amiE2au | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll ___cxa_guard_abort | ||
; CHECK-MINGW-X86-NEXT: jmp LBB0_7 | ||
; CHECK-MINGW-X86-NEXT: LBB0_6: # %lpad1 | ||
; CHECK-MINGW-X86-NEXT: .cfi_def_cfa_offset 12 | ||
; CHECK-MINGW-X86-NEXT: Ltmp5: | ||
; CHECK-MINGW-X86-NEXT: movl %eax, %edi | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl %esi | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll __ZdlPv | ||
; CHECK-MINGW-X86-NEXT: LBB0_7: # %eh.resume | ||
; CHECK-MINGW-X86-NEXT: addl $4, %esp | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset -4 | ||
; CHECK-MINGW-X86-NEXT: .cfi_escape 0x2e, 0x04 | ||
; CHECK-MINGW-X86-NEXT: pushl %edi | ||
; CHECK-MINGW-X86-NEXT: .cfi_adjust_cfa_offset 4 | ||
; CHECK-MINGW-X86-NEXT: calll __Unwind_Resume | ||
; CHECK-MINGW-X86-NEXT: Lfunc_end0: | ||
entry: | ||
%1 = load atomic i8, i8* bitcast (i64* @_ZGVZ2amiE2au to i8*) acquire, align 8 | ||
%guard.uninitialized = icmp eq i8 %1, 0 | ||
br i1 %guard.uninitialized, label %init.check, label %init.end | ||
|
||
init.check: ; preds = %entry | ||
%2 = tail call i32 @__cxa_guard_acquire(i64* nonnull @_ZGVZ2amiE2au) | ||
%tobool = icmp eq i32 %2, 0 | ||
br i1 %tobool, label %init.end, label %init | ||
|
||
init: ; preds = %init.check | ||
%call.i3 = invoke i8* @_Znwj(i32 4) | ||
to label %invoke.cont unwind label %lpad | ||
|
||
invoke.cont: ; preds = %init | ||
store i8* %call.i3, i8** bitcast (%struct.as* @_ZZ2amiE2au to i8**), align 4 | ||
tail call void @__cxa_guard_release(i64* nonnull @_ZGVZ2amiE2au) | ||
br label %init.end | ||
|
||
init.end: ; preds = %init.check, %invoke.cont, %entry | ||
%call.i = tail call i8* @_Znwj(i32 4) | ||
%exception = tail call i8* @__cxa_allocate_exception(i32 4) | ||
%3 = bitcast i8* %exception to i32* | ||
store i32 0, i32* %3, align 16 | ||
invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) | ||
to label %unreachable unwind label %lpad1 | ||
|
||
lpad: ; preds = %init | ||
%4 = landingpad { i8*, i32 } | ||
cleanup | ||
%5 = extractvalue { i8*, i32 } %4, 0 | ||
%6 = extractvalue { i8*, i32 } %4, 1 | ||
tail call void @__cxa_guard_abort(i64* nonnull @_ZGVZ2amiE2au) #1 | ||
br label %eh.resume | ||
|
||
lpad1: ; preds = %init.end | ||
%7 = landingpad { i8*, i32 } | ||
cleanup | ||
%8 = extractvalue { i8*, i32 } %7, 0 | ||
%9 = extractvalue { i8*, i32 } %7, 1 | ||
tail call void @_ZdlPv(i8* nonnull %call.i) | ||
br label %eh.resume | ||
|
||
eh.resume: ; preds = %lpad1, %lpad | ||
%exn.slot.0 = phi i8* [ %8, %lpad1 ], [ %5, %lpad ] | ||
%ehselector.slot.0 = phi i32 [ %9, %lpad1 ], [ %6, %lpad ] | ||
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn.slot.0, 0 | ||
%lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %ehselector.slot.0, 1 | ||
resume { i8*, i32 } %lpad.val2 | ||
|
||
unreachable: ; preds = %init.end | ||
unreachable | ||
} | ||
|
||
declare i32 @__cxa_guard_acquire(i64*) | ||
declare i32 @__gxx_personality_v0(...) | ||
declare void @__cxa_guard_abort(i64*) | ||
declare void @__cxa_guard_release(i64*) | ||
declare i8* @__cxa_allocate_exception(i32) | ||
declare void @__cxa_throw(i8*, i8*, i8*) | ||
declare noalias nonnull i8* @_Znwj(i32) | ||
declare i8* @__cxa_begin_catch(i8*) | ||
declare void @__cxa_end_catch() | ||
declare void @_ZdlPv(i8*) |