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[WinEH] Create a separate MBB for funclet prologues
[oota-llvm.git] / test / CodeGen / X86 / win-catchpad.ll
diff --git a/test/CodeGen/X86/win-catchpad.ll b/test/CodeGen/X86/win-catchpad.ll
index 12a58be6dea6053eeeb955dc5f45f3ea80b48f34..45d1085f3ad74aef9dfbfa1f668734ca67edd635 100644 (file)
--- a/test/CodeGen/X86/win-catchpad.ll
+++ b/test/CodeGen/X86/win-catchpad.ll
@@ -6,8 +6,8 @@
 ;   int main() {
 ;     try {
 ;       f(1);
-;     } catch (int) {
-;       f(2);
+;     } catch (int e) {
+;       f(e);
 ;     } catch (...) {
 ;       f(3);
 ;     }
@@ -17,38 +17,38 @@
 %eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
 %eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
 %eh.ThrowInfo = type { i32, i8*, i8*, i8* }
-%eh.CatchHandlerType = type { i32, i8* }
 
 $"\01??_R0H@8" = comdat any
 
 @"\01??_7type_info@@6B@" = external constant i8*
 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
 
-@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
-@llvm.eh.handlertype.H.1 = private unnamed_addr constant %eh.CatchHandlerType { i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
 
 declare void @f(i32 %p, i32* %l)
+declare i1 @getbool()
 declare i32 @__CxxFrameHandler3(...)
 
 define i32 @try_catch_catch() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
 entry:
+  %e.addr = alloca i32
   %local = alloca i32
   invoke void @f(i32 1, i32* %local)
           to label %try.cont unwind label %catch.dispatch
 
 catch.dispatch:                                   ; preds = %entry
-  %0 = catchpad [%eh.CatchHandlerType* @llvm.eh.handlertype.H.0, i8* null]
+  %0 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e.addr]
           to label %catch unwind label %catch.dispatch.2
 
 catch:                                            ; preds = %catch.dispatch
-  invoke void @f(i32 2, i32* %local)
+  %e = load i32, i32* %e.addr
+  invoke void @f(i32 %e, i32* %local)
           to label %invoke.cont.2 unwind label %catchendblock
 
 invoke.cont.2:                                    ; preds = %catch
   catchret %0 to label %try.cont
 
 catch.dispatch.2:                                   ; preds = %catch.dispatch
-  %1 = catchpad [%eh.CatchHandlerType* @llvm.eh.handlertype.H.0, i8* null]
+  %1 = catchpad [i8* null, i32 u0x40, i8* null]
           to label %catch.2 unwind label %catchendblock
 
 catch.2:                                            ; preds = %catch.dispatch.2
@@ -71,94 +71,289 @@ catchendblock:                                    ; preds = %catch, %catch.2, %c
 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
 ; X86-DAG: movl $1, (%esp)
 ; X86: calll _f
-; X86: [[contbb:LBB0_[0-9]+]]:
-; X86: movl -{{[0-9]+}}(%ebp), %esp
+; X86: [[contbb:LBB0_[0-9]+]]: # %try.cont
 ; X86: retl
 
-; X86: [[catch1bb:LBB0_[0-9]+]]: # %catch{{$}}
+; FIXME: These should be de-duplicated.
+; X86: [[restorebb2:LBB0_[0-9]+]]: # %invoke.cont.3
+; X86: movl -16(%ebp), %esp
 ; X86: addl $12, %ebp
+; X86: jmp [[contbb]]
+
+; X86: [[restorebb1:LBB0_[0-9]+]]: # %invoke.cont.2
+; X86: movl -16(%ebp), %esp
+; X86: addl $12, %ebp
+; X86: jmp [[contbb]]
+
+; X86: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
+; X86: LBB0_[[catch1bb]]: # %catch.dispatch{{$}}
+; X86: pushl %ebp
 ; X86: subl $8, %esp
-; X86: movl $1, -{{[0-9]+}}(%ebp)
+; X86: addl $12, %ebp
 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
+; X86: movl -32(%ebp), %[[e_reg:[a-z]+]]
+; X86: movl $1, -{{[0-9]+}}(%ebp)
 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
-; X86-DAG: movl $2, (%esp)
+; X86-DAG: movl %[[e_reg]], (%esp)
 ; X86: calll _f
-; X86: movl $[[contbb]], %eax
+; X86-NEXT: movl $[[restorebb1]], %eax
 ; X86-NEXT: addl $8, %esp
+; X86-NEXT: popl %ebp
 ; X86-NEXT: retl
 
-; X86: [[catch2bb:LBB0_[0-9]+]]: # %catch.2{{$}}
-; X86: addl $12, %ebp
+; X86: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
+; X86: LBB0_[[catch2bb]]: # %catch.dispatch.2{{$}}
+; X86: pushl %ebp
 ; X86: subl $8, %esp
-; X86: movl $1, -{{[0-9]+}}(%ebp)
+; X86: addl $12, %ebp
 ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]]
+; X86: movl $1, -{{[0-9]+}}(%ebp)
 ; X86-DAG: movl %[[addr_reg]], 4(%esp)
 ; X86-DAG: movl $3, (%esp)
 ; X86: calll _f
-; X86: movl $[[contbb]], %eax
+; X86-NEXT: movl $[[restorebb2]], %eax
 ; X86-NEXT: addl $8, %esp
+; X86-NEXT: popl %ebp
 ; X86-NEXT: retl
 
 ; X86: L__ehtable$try_catch_catch:
 ; X86: $handlerMap$0$try_catch_catch:
-; X86:   .long   0
-; X86:   .long   "??_R0H@8"
-; X86:   .long   0
-; X86:   .long   [[catch1bb]]
-; X86:   .long   0
-; X86:   .long   "??_R0H@8"
-; X86:   .long   0
-; X86:   .long   [[catch2bb]]
+; X86-NEXT:   .long   0
+; X86-NEXT:   .long   "??_R0H@8"
+; X86-NEXT:   .long   -20
+; X86-NEXT:   .long   "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"
+; X86-NEXT:   .long   64
+; X86-NEXT:   .long   0
+; X86-NEXT:   .long   0
+; X86-NEXT:   .long   "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"
 
 ; X64-LABEL: try_catch_catch:
+; X64: Lfunc_begin0:
 ; X64: pushq %rbp
 ; X64: .seh_pushreg 5
 ; X64: subq $48, %rsp
 ; X64: .seh_stackalloc 48
 ; X64: leaq 48(%rsp), %rbp
 ; X64: .seh_setframe 5, 48
+; X64: .seh_endprologue
+; X64: .Ltmp0
 ; X64-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx
 ; X64-DAG: movl $1, %ecx
 ; X64: callq f
-; X64: [[contbb:\.LBB0_[0-9]+]]:
+; X64: [[contbb:\.LBB0_[0-9]+]]: # %try.cont
 ; X64: addq $48, %rsp
 ; X64: popq %rbp
 ; X64: retq
 
-; X64: [[catch1bb:\.LBB0_[0-9]+]]: # %catch{{$}}
+; X64: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA":
+; X64: LBB0_[[catch1bb]]: # %catch.dispatch{{$}}
 ; X64: movq %rdx, 16(%rsp)
 ; X64: pushq %rbp
-; X64: movq %rdx, %rbp
+; X64: .seh_pushreg 5
 ; X64: subq $32, %rsp
+; X64: .seh_stackalloc 32
+; X64: leaq 48(%rdx), %rbp
+; X64: .seh_endprologue
+; X64-DAG: .Ltmp4
 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
-; X64-DAG: movl $2, %ecx
+; X64-DAG: movl [[e_addr:[-0-9]+]](%rbp), %ecx
 ; X64: callq f
 ; X64: leaq [[contbb]](%rip), %rax
-; X64: addq $32, %rsp
-; X64: popq %rbp
-; X64: retq
+; X64-NEXT: addq $32, %rsp
+; X64-NEXT: popq %rbp
+; X64-NEXT: retq
 
-; X64: [[catch2bb:\.LBB0_[0-9]+]]: # %catch.2{{$}}
+; X64: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA":
+; X64: LBB0_[[catch2bb]]: # %catch.dispatch.2{{$}}
 ; X64: movq %rdx, 16(%rsp)
 ; X64: pushq %rbp
-; X64: movq %rdx, %rbp
+; X64: .seh_pushreg 5
 ; X64: subq $32, %rsp
+; X64: .seh_stackalloc 32
+; X64: leaq 48(%rdx), %rbp
+; X64: .seh_endprologue
 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx
 ; X64-DAG: movl $3, %ecx
 ; X64: callq f
+; X64: .Ltmp3
 ; X64: leaq [[contbb]](%rip), %rax
-; X64: addq $32, %rsp
+; X64-NEXT: addq $32, %rsp
+; X64-NEXT: popq %rbp
+; X64-NEXT: retq
+
+; X64: $cppxdata$try_catch_catch:
+; X64-NEXT: .long   429065506
+; X64-NEXT: .long   2
+; X64-NEXT: .long   ($stateUnwindMap$try_catch_catch)@IMGREL
+; X64-NEXT: .long   1
+; X64-NEXT: .long   ($tryMap$try_catch_catch)@IMGREL
+; X64-NEXT: .long   4
+; X64-NEXT: .long   ($ip2state$try_catch_catch)@IMGREL
+; X64-NEXT: .long   32
+; X64-NEXT: .long   0
+; X64-NEXT: .long   1
+
+; X64: $tryMap$try_catch_catch:
+; X64-NEXT: .long   0
+; X64-NEXT: .long   0
+; X64-NEXT: .long   1
+; X64-NEXT: .long   2
+; X64-NEXT: .long   ($handlerMap$0$try_catch_catch)@IMGREL
+
+; X64: $handlerMap$0$try_catch_catch:
+; X64-NEXT:   .long   0
+; X64-NEXT:   .long   "??_R0H@8"@IMGREL
+; FIXME: This should probably be offset from rsp, not rbp.
+; X64-NEXT:   .long   [[e_addr]]
+; X64-NEXT:   .long   "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL
+; X64-NEXT:   .long   56
+; X64-NEXT:   .long   64
+; X64-NEXT:   .long   0
+; X64-NEXT:   .long   0
+; X64-NEXT:   .long   "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL
+; X64-NEXT:   .long   56
+
+; X64: $ip2state$try_catch_catch:
+; X64-NEXT: .long   .Lfunc_begin0@IMGREL
+; X64-NEXT: .long   -1
+; X64-NEXT: .long   .Ltmp0@IMGREL
+; X64-NEXT: .long   0
+; X64-NEXT: .long   .Ltmp4@IMGREL
+; X64-NEXT: .long   1
+; X64-NEXT: .long   .Ltmp3@IMGREL+1
+; X64-NEXT: .long   -1
+
+
+define i32 @branch_to_normal_dest() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+  invoke void @f(i32 1, i32* null)
+          to label %try.cont unwind label %catch.dispatch
+
+catch.dispatch:
+  %0 = catchpad [i8* null, i32 64, i8* null]
+          to label %catch unwind label %catchendblock
+
+catch:
+  %V = call i1 @getbool()
+  br i1 %V, label %catch, label %catch.done
+
+catch.done:
+  catchret %0 to label %try.cont
+
+try.cont:
+  ret i32 0
+
+catchendblock:
+  catchendpad unwind to caller
+}
+
+; X86-LABEL: _branch_to_normal_dest:
+; X86: calll _f
+
+; X86: [[contbb:LBB1_[0-9]+]]: # %try.cont
+; X86: retl
+
+; X86: [[restorebb:LBB1_[0-9]+]]: # %catch.done
+; X86: movl -16(%ebp), %esp
+; X86: addl $12, %ebp
+; X86: jmp [[contbb]]
+
+; X86: "?catch$[[catchdispbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
+; X86: LBB1_[[catchdispbb]]: # %catch.dispatch{{$}}
+; X86: pushl %ebp
+; X86: subl $8, %esp
+; X86: addl $12, %ebp
+
+; X86: LBB1_[[catchbb:[0-9]+]]: # %catch
+; X86: movl    $-1, -16(%ebp)
+; X86: calll   _getbool
+; X86: testb   $1, %al
+; X86: jne LBB1_[[catchbb]]
+; X86: # %catch.done
+; X86-NEXT: movl $[[restorebb]], %eax
+; X86-NEXT: addl $8, %esp
+; X86-NEXT: popl %ebp
+; X86-NEXT: retl
+
+; X86: L__ehtable$branch_to_normal_dest:
+; X86: $handlerMap$0$branch_to_normal_dest:
+; X86-NEXT:   .long   64
+; X86-NEXT:   .long   0
+; X86-NEXT:   .long   0
+; X86-NEXT:   .long   "?catch$[[catchdispbb]]@?0?branch_to_normal_dest@4HA"
+
+; X64-LABEL: branch_to_normal_dest:
+; X64: # %entry
+; X64: pushq %rbp
+; X64: .seh_pushreg 5
+; X64: subq $48, %rsp
+; X64: .seh_stackalloc 48
+; X64: leaq 48(%rsp), %rbp
+; X64: .seh_setframe 5, 48
+; X64: .seh_endprologue
+; X64: .Ltmp[[before_call:[0-9]+]]:
+; X64: callq f
+; X64: .Ltmp[[after_call:[0-9]+]]:
+; X64: [[contbb:\.LBB1_[0-9]+]]: # %try.cont
+; X64: addq $48, %rsp
 ; X64: popq %rbp
 ; X64: retq
 
-; X64: $handlerMap$0$try_catch_catch:
-; X64:   .long   0
-; X64:   .long   "??_R0H@8"@IMGREL
-; X64:   .long   0
-; X64:   .long   [[catch1bb]]@IMGREL
-; X64:   .long   56
-; X64:   .long   0
-; X64:   .long   "??_R0H@8"@IMGREL
-; X64:   .long   0
-; X64:   .long   [[catch2bb]]@IMGREL
-; X64:   .long   56
+; X64: "?catch$[[catchbb:[0-9]+]]@?0?branch_to_normal_dest@4HA":
+; X64: LBB1_[[catchbb]]: # %catch.dispatch{{$}}
+; X64: movq %rdx, 16(%rsp)
+; X64: pushq %rbp
+; X64: .seh_pushreg 5
+; X64: subq $32, %rsp
+; X64: .seh_stackalloc 32
+; X64: leaq 48(%rdx), %rbp
+; X64: .seh_endprologue
+; X64: .LBB1_[[normal_dest_bb:[0-9]+]]: # %catch
+; X64: callq   getbool
+; X64: testb   $1, %al
+; X64: jne     .LBB1_[[normal_dest_bb]]
+; X64: # %catch.done
+; X64: leaq [[contbb]](%rip), %rax
+; X64-NEXT: addq $32, %rsp
+; X64-NEXT: popq %rbp
+; X64-NEXT: retq
+
+; X64-LABEL: $cppxdata$branch_to_normal_dest:
+; X64-NEXT: .long   429065506
+; X64-NEXT: .long   2
+; X64-NEXT: .long   ($stateUnwindMap$branch_to_normal_dest)@IMGREL
+; X64-NEXT: .long   1
+; X64-NEXT: .long   ($tryMap$branch_to_normal_dest)@IMGREL
+; X64-NEXT: .long   3
+; X64-NEXT: .long   ($ip2state$branch_to_normal_dest)@IMGREL
+; X64-NEXT: .long   40
+; X64-NEXT: .long   0
+; X64-NEXT: .long   1
+
+; X64-LABEL: $stateUnwindMap$branch_to_normal_dest:
+; X64-NEXT: .long   -1
+; X64-NEXT: .long   0
+; X64-NEXT: .long   -1
+; X64-NEXT: .long   0
+
+; X64-LABEL: $tryMap$branch_to_normal_dest:
+; X64-NEXT: .long   0
+; X64-NEXT: .long   0
+; X64-NEXT: .long   1
+; X64-NEXT: .long   1
+; X64-NEXT: .long   ($handlerMap$0$branch_to_normal_dest)@IMGREL
+
+; X64-LABEL: $handlerMap$0$branch_to_normal_dest:
+; X64-NEXT: .long   64
+; X64-NEXT: .long   0
+; X64-NEXT: .long   0
+; X64-NEXT: .long   "?catch$[[catchbb]]@?0?branch_to_normal_dest@4HA"@IMGREL
+; X64-NEXT: .long   56
+
+; X64-LABEL: $ip2state$branch_to_normal_dest:
+; X64-NEXT: .long   .Lfunc_begin1@IMGREL
+; X64-NEXT: .long   -1
+; X64-NEXT: .long   .Ltmp[[before_call]]@IMGREL
+; X64-NEXT: .long   0
+; X64-NEXT: .long   .Ltmp[[after_call]]@IMGREL+1
+; X64-NEXT: .long   -1
C/C++ LLVM-based compilers that forbids OOTA behaviors