2461cdb417
Once the default for SimplifyCFG flips, we can no longer pass nullptr instead of DomTree to SimplifyCFG, so we need to propagate it here. We don't strictly need to actually preserve DomTree in DwarfEHPrepare, but we might as well do it, since it's trivial.
158 lines
5.8 KiB
LLVM
158 lines
5.8 KiB
LLVM
; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -march=sparc -relocation-model=static | FileCheck -check-prefix=V8ABS %s
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; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -march=sparc -relocation-model=pic | FileCheck -check-prefix=V8PIC %s
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; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -march=sparcv9 -relocation-model=static | FileCheck -check-prefix=V9ABS %s
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; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -march=sparcv9 -relocation-model=pic | FileCheck -check-prefix=V9PIC %s
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%struct.__fundamental_type_info_pseudo = type { %struct.__type_info_pseudo }
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%struct.__type_info_pseudo = type { i8*, i8* }
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@_ZTIi = external constant %struct.__fundamental_type_info_pseudo
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@_ZTIf = external constant %struct.__fundamental_type_info_pseudo
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@.cst = private unnamed_addr constant [12 x i8] c"catched int\00", align 64
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@.cst1 = private unnamed_addr constant [14 x i8] c"catched float\00", align 64
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; V8ABS-LABEL: main:
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; V8ABS: .cfi_startproc
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; V8ABS: .cfi_personality 0, __gxx_personality_v0
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; V8ABS: .cfi_lsda 0,
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; V8ABS: .cfi_def_cfa_register {{30|%fp}}
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; V8ABS: .cfi_window_save
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; V8ABS: .cfi_register %o7, %i7
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; V8ABS: call __cxa_throw
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; V8ABS: call __cxa_throw
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; V8ABS: call __cxa_begin_catch
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; V8ABS: call __cxa_end_catch
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; V8ABS: call __cxa_begin_catch
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; V8ABS: call __cxa_end_catch
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; V8ABS: .cfi_endproc
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; V8PIC-LABEL: main:
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; V8PIC: .cfi_startproc
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; V8PIC: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; V8PIC: .cfi_lsda 27,
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; V8PIC: .cfi_def_cfa_register {{30|%fp}}
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; V8PIC: .cfi_window_save
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; V8PIC: .cfi_register %o7, %i7
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; V8PIC: .section .gcc_except_table
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; V8PIC-NOT: .section
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; V8PIC: .word %r_disp32(.L_ZTIi.DW.stub)
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; V8PIC: .data
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; V8PIC: .L_ZTIi.DW.stub:
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; V8PIC-NEXT: .word _ZTIi
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; V9ABS-LABEL: main:
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; V9ABS: .cfi_startproc
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; V9ABS: .cfi_personality 0, __gxx_personality_v0
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; V9ABS: .cfi_lsda 27,
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; V9ABS: .cfi_def_cfa_register {{30|%fp}}
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; V9ABS: .cfi_window_save
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; V9ABS: .cfi_register %o7, %i7
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; V9ABS: .section .gcc_except_table
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; V9ABS-NOT: .section
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; V9ABS: .xword _ZTIi
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; V9PIC-LABEL: main:
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; V9PIC: .cfi_startproc
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; V9PIC: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; V9PIC: .cfi_lsda 27,
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; V9PIC: .cfi_def_cfa_register {{30|%fp}}
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; V9PIC: .cfi_window_save
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; V9PIC: .cfi_register %o7, %i7
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; V9PIC: .section .gcc_except_table
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; V9PIC-NOT: .section
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; V9PIC: .word %r_disp32(.L_ZTIi.DW.stub)
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; V9PIC: .data
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; V9PIC: .L_ZTIi.DW.stub:
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; V9PIC-NEXT: .xword _ZTIi
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define i32 @main(i32 %argc, i8** nocapture readnone %argv) unnamed_addr #0 personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 {
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entry:
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%0 = icmp eq i32 %argc, 2
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%1 = tail call i8* @__cxa_allocate_exception(i32 4) #1
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br i1 %0, label %"3", label %"4"
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"3": ; preds = %entry
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%2 = bitcast i8* %1 to i32*
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store i32 0, i32* %2, align 4
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invoke void @__cxa_throw(i8* %1, i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIi to i8*), void (i8*)* null) #2
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to label %3 unwind label %"8"
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; <label>:3 ; preds = %"3"
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unreachable
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"4": ; preds = %entry
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%4 = bitcast i8* %1 to float*
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store float 1.000000e+00, float* %4, align 4
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invoke void @__cxa_throw(i8* %1, i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIf to i8*), void (i8*)* null) #2
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to label %5 unwind label %"8"
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; <label>:5 ; preds = %"4"
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unreachable
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"5": ; preds = %"13", %"11"
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%6 = phi i32 [ 2, %"13" ], [ 0, %"11" ]
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ret i32 %6
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"8": ; preds = %"4", %"3"
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%exc = landingpad { i8*, i32 }
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catch %struct.__fundamental_type_info_pseudo* @_ZTIi
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catch %struct.__fundamental_type_info_pseudo* @_ZTIf
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%exc_ptr12 = extractvalue { i8*, i32 } %exc, 0
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%filter13 = extractvalue { i8*, i32 } %exc, 1
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%typeid = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIi to i8*))
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%7 = icmp eq i32 %filter13, %typeid
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br i1 %7, label %"11", label %8
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; <label>:8 ; preds = %"8"
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%typeid8 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIf to i8*))
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%9 = icmp eq i32 %filter13, %typeid8
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br i1 %9, label %"13", label %"9"
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"9": ; preds = %8
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resume { i8*, i32 } %exc
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"11": ; preds = %"8"
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%10 = tail call i8* @__cxa_begin_catch(i8* %exc_ptr12) #1
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%11 = tail call i32 @puts(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.cst, i32 0, i32 0))
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tail call void @__cxa_end_catch() #1
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br label %"5"
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"13": ; preds = %8
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%12 = tail call i8* @__cxa_begin_catch(i8* %exc_ptr12) #1
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%13 = tail call i32 @puts(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.cst1, i32 0, i32 0))
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tail call void @__cxa_end_catch() #1
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br label %"5"
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}
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; Function Attrs: nounwind
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declare i8* @__cxa_allocate_exception(i32) #1
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; Function Attrs: noreturn
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declare void @__cxa_throw(i8*, i8*, void (i8*)*) #2
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declare void @__cxa_end_catch()
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #3
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; Function Attrs: nounwind
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declare i8* @__cxa_begin_catch(i8*) #1
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; Function Attrs: nounwind
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declare i32 @puts(i8* nocapture readonly) #1
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declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
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attributes #0 = { "frame-pointer"="none" }
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attributes #1 = { nounwind }
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attributes #2 = { noreturn }
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attributes #3 = { nounwind readnone }
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