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fd4a382026
The machine verifier was disabled for x86 by default. There are now only 9 tests failing, compared to what previously was between 20 and 30. This is a good opportunity to file bugs for all the remaining issues, then explicitly disable the failing tests and enabling the machine verifier by default. This allows us to avoid adding new tests that break the verifier. PR27481 llvm-svn: 345513
137 lines
4.6 KiB
LLVM
137 lines
4.6 KiB
LLVM
; FIXME: Fix machine verifier issues and remove -verify-machineinstrs=0. PR39439.
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; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s
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; RUN: llc -mtriple x86_64-windows-gnu -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s -check-prefix CHECK-X64
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; RUN: llc -mtriple x86_64-linux -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s -check-prefix CHECK-X64-LINUX
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declare void @_Z20function_that_throwsv()
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declare i32 @__gxx_personality_sj0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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define void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
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entry:
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invoke void @_Z20function_that_throwsv()
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to label %try.cont unwind label %lpad
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lpad:
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%0 = landingpad { i8*, i32 }
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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%2 = tail call i8* @__cxa_begin_catch(i8* %1)
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tail call void @__cxa_end_catch()
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br label %try.cont
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try.cont:
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ret void
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}
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; struct _Unwind_FunctionContext {
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; +00 struct _Unwind_FunctionContext *prev; -64(%ebp)
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; +04 uint32_t __callsite; -60(%ebp)
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; +08 uint32_t __buffer[4]; -56(%ebp)
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; +24 __personality_routine __personality; -40(%ebp)
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; +28 uintptr_t __lsda; -36(%ebp)
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; +32 void *__jbuf[]; -32(%ebp)
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; };
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; CHECK-LABEL: __Z8functionv:
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; struct _Unwind_FunctionContext UFC;
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;
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; UFC.__personality = __gxx_personality_sj0
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; CHECK: movl $___gxx_personality_sj0, -40(%ebp)
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; UFC.__lsda = $LSDA
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; CHECK: movl $[[LSDA:GCC_except_table[0-9]+]], -36(%ebp)
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; UFC.__jbuf[0] = $ebp
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; CHECK: movl %ebp, -32(%ebp)
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; UFC.__jbuf[2] = $esp
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; CHECK: movl %esp, -24(%ebp)
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; UFC.__jbuf[1] = $EIP
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; CHECK: movl $[[RESUME:LBB[0-9]+_[0-9]+]], -28(%ebp)
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; UFC.__callsite = 1
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; CHECK: movl $1, -60(%ebp)
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; _Unwind_SjLj_Register(&UFC);
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; CHECK: leal -64(%ebp), %eax
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; CHECK: pushl %eax
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; CHECK: calll __Unwind_SjLj_Register
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; CHECK: addl $4, %esp
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; function_that_throws();
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; CHECK: calll __Z20function_that_throwsv
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; _Unwind_SjLj_Unregister(&UFC);
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; CHECK: leal -64(%ebp), %eax
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; CHECK: calll __Unwind_SjLj_Unregister
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;
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; CHECK: [[RESUME]]:
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; CHECK: leal -64(%ebp), %esi
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; assert(UFC.__callsite < 1);
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; CHECK: movl -60(%ebp), %eax
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; CHECK: cmpl $1, %eax
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; CHECK: jb [[CONT:LBB[0-9]+_[0-9]+]]
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; CHECK: ud2
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; CHECK: [[CONT]]:
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; *Handlers[UFC.__callsite]
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; CHECK: jmpl *LJTI
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; struct _Unwind_FunctionContext {
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; +00 struct _Unwind_FunctionContext *prev; -312(%rbp)
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; +08 uint32_t __callsite; -304(%rbp)
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; +12 uint32_t __buffer[4]; -300(%rbp)
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; +32 __personality_routine __personality; -280(%rbp)
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; +40 uintptr_t __lsda; -272(%rbp)
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; +48 void *__jbuf[]; -264(%rbp)
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; };
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; CHECK-X64-LABEL: _Z8functionv:
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; struct _Unwind_FunctionContext UFC;
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;
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; UFC.__personality = __gxx_personality_sj0
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; CHECK-X64: leaq __gxx_personality_sj0(%rip), %rax
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; CHECK-X64: movq %rax, -280(%rbp)
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; UFC.__lsda = $LSDA
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; CHECK-X64: leaq [[LSDA:GCC_except_table[0-9]+]](%rip), %rax
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; CHECK-X64: movq %rax, -272(%rbp)
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; UFC.__jbuf[0] = $rbp
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; CHECK-X64: movq %rbp, -264(%rbp)
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; UFC.__jbuf[2] = $rsp
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; CHECK-X64: movq %rsp, -248(%rbp)
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; UFC.__jbuf[1] = $RIP
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; CHECK-X64: leaq .[[RESUME:LBB[0-9]+_[0-9]+]](%rip), %rax
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; CHECK-X64: movq %rax, -256(%rbp)
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; UFC.__callsite = 1
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; CHECK-X64: movl $1, -304(%rbp)
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; _Unwind_SjLj_Register(&UFC);
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; CHECK-X64: leaq -312(%rbp), %rcx
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; CHECK-X64: callq _Unwind_SjLj_Register
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; function_that_throws();
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; CHECK-X64: callq _Z20function_that_throwsv
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; _Unwind_SjLj_Unregister(&UFC);
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; CHECK-X64: leaq -312(%rbp), %rcx
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; CHECK-X64: callq _Unwind_SjLj_Unregister
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;
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; CHECK-X64: [[RESUME]]:
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; assert(UFC.__callsite < 1);
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; CHECK-X64: movl -304(%rbp), %eax
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; CHECK-X64: cmpl $1, %eax
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; CHECK-X64: jb .[[CONT:LBB[0-9]+_[0-9]+]]
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; CHECK-X64: ud2
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; CHECK-X64: [[CONT]]:
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; *Handlers[UFC.__callsite]
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; CHECK-X64: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx
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; CHECK-X64: movl (%rcx,%rax,4), %eax
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; CHECK-X64: cltq
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; CHECK-X64: addq %rcx, %rax
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; CHECK-X64: jmpq *%rax
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; CHECK-X64-LINUX: .[[RESUME:LBB[0-9]+_[0-9]+]]:
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; assert(UFC.__callsite < 1);
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; CHECK-X64-LINUX: movl -120(%rbp), %eax
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; CHECK-X64-LINUX: cmpl $1, %eax
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; CHECK-X64-LINUX: jb .[[CONT:LBB[0-9]+_[0-9]+]]
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; CHECK-X64-LINUX: ud2
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; CHECK-X64-LINUX: [[CONT]]:
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; *Handlers[UFC.__callsite]
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; CHECK-X64-LINUX: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx
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; CHECK-X64-LINUX: jmpq *(%rcx,%rax,8)
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