mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-24 20:29:53 +00:00
881fcaec6b
The instruction combiner previously removed types from filter clauses in Landing Pad instructions if the type had previously been seen in a catch clause. This is incorrect and prevents unexpected exception handlers from rethrowing the caught type. Differential Revision: http://reviews.llvm.org/D14669 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253370 91177308-0d34-0410-b5e6-96231b3b80d8
289 lines
6.5 KiB
LLVM
289 lines
6.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
@T1 = external constant i32
|
|
@T2 = external constant i32
|
|
@T3 = external constant i32
|
|
|
|
declare i32 @generic_personality(i32, i64, i8*, i8*)
|
|
declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
|
|
declare i32 @__objc_personality_v0(i32, i64, i8*, i8*)
|
|
declare i32 @__C_specific_handler(...)
|
|
|
|
declare void @bar()
|
|
|
|
define void @foo_generic() personality i32 (i32, i64, i8*, i8*)* @generic_personality {
|
|
; CHECK-LABEL: @foo_generic(
|
|
invoke void @bar()
|
|
to label %cont.a unwind label %lpad.a
|
|
cont.a:
|
|
invoke void @bar()
|
|
to label %cont.b unwind label %lpad.b
|
|
cont.b:
|
|
invoke void @bar()
|
|
to label %cont.c unwind label %lpad.c
|
|
cont.c:
|
|
invoke void @bar()
|
|
to label %cont.d unwind label %lpad.d
|
|
cont.d:
|
|
invoke void @bar()
|
|
to label %cont.e unwind label %lpad.e
|
|
cont.e:
|
|
invoke void @bar()
|
|
to label %cont.f unwind label %lpad.f
|
|
cont.f:
|
|
invoke void @bar()
|
|
to label %cont.g unwind label %lpad.g
|
|
cont.g:
|
|
invoke void @bar()
|
|
to label %cont.h unwind label %lpad.h
|
|
cont.h:
|
|
invoke void @bar()
|
|
to label %cont.i unwind label %lpad.i
|
|
cont.i:
|
|
ret void
|
|
|
|
lpad.a:
|
|
%a = landingpad { i8*, i32 }
|
|
catch i32* @T1
|
|
catch i32* @T2
|
|
catch i32* @T1
|
|
catch i32* @T2
|
|
unreachable
|
|
; CHECK: %a = landingpad
|
|
; CHECK-NEXT: @T1
|
|
; CHECK-NEXT: @T2
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.b:
|
|
%b = landingpad { i8*, i32 }
|
|
filter [0 x i32*] zeroinitializer
|
|
catch i32* @T1
|
|
unreachable
|
|
; CHECK: %b = landingpad
|
|
; CHECK-NEXT: filter
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.c:
|
|
%c = landingpad { i8*, i32 }
|
|
catch i32* @T1
|
|
filter [1 x i32*] [i32* @T1]
|
|
catch i32* @T2
|
|
unreachable
|
|
; Caught types should not be removed from filters
|
|
; CHECK: %c = landingpad
|
|
; CHECK-NEXT: catch i32* @T1
|
|
; CHECK-NEXT: filter [1 x i32*] [i32* @T1]
|
|
; CHECK-NEXT: catch i32* @T2
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.d:
|
|
%d = landingpad { i8*, i32 }
|
|
filter [3 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %d = landingpad
|
|
; CHECK-NEXT: filter [1 x i32*] zeroinitializer
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.e:
|
|
%e = landingpad { i8*, i32 }
|
|
catch i32* @T1
|
|
filter [3 x i32*] [i32* @T1, i32* @T2, i32* @T2]
|
|
unreachable
|
|
; Caught types should not be removed from filters
|
|
; CHECK: %e = landingpad
|
|
; CHECK-NEXT: catch i32* @T1
|
|
; CHECK-NEXT: filter [2 x i32*] [i32* @T1, i32* @T2]
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.f:
|
|
%f = landingpad { i8*, i32 }
|
|
filter [2 x i32*] [i32* @T2, i32* @T1]
|
|
filter [1 x i32*] [i32* @T1]
|
|
unreachable
|
|
; CHECK: %f = landingpad
|
|
; CHECK-NEXT: filter [1 x i32*] [i32* @T1]
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.g:
|
|
%g = landingpad { i8*, i32 }
|
|
filter [1 x i32*] [i32* @T1]
|
|
catch i32* @T3
|
|
filter [2 x i32*] [i32* @T2, i32* @T1]
|
|
unreachable
|
|
; CHECK: %g = landingpad
|
|
; CHECK-NEXT: filter [1 x i32*] [i32* @T1]
|
|
; CHECK-NEXT: catch i32* @T3
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.h:
|
|
%h = landingpad { i8*, i32 }
|
|
filter [2 x i32*] [i32* @T1, i32* null]
|
|
filter [1 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %h = landingpad
|
|
; CHECK-NEXT: filter [1 x i32*] zeroinitializer
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.i:
|
|
%i = landingpad { i8*, i32 }
|
|
cleanup
|
|
filter [0 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %i = landingpad
|
|
; CHECK-NEXT: filter
|
|
; CHECK-NEXT: unreachable
|
|
}
|
|
|
|
define void @foo_cxx() personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 {
|
|
; CHECK-LABEL: @foo_cxx(
|
|
invoke void @bar()
|
|
to label %cont.a unwind label %lpad.a
|
|
cont.a:
|
|
invoke void @bar()
|
|
to label %cont.b unwind label %lpad.b
|
|
cont.b:
|
|
invoke void @bar()
|
|
to label %cont.c unwind label %lpad.c
|
|
cont.c:
|
|
invoke void @bar()
|
|
to label %cont.d unwind label %lpad.d
|
|
cont.d:
|
|
ret void
|
|
|
|
lpad.a:
|
|
%a = landingpad { i8*, i32 }
|
|
catch i32* null
|
|
catch i32* @T1
|
|
unreachable
|
|
; CHECK: %a = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.b:
|
|
%b = landingpad { i8*, i32 }
|
|
filter [1 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %b = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.c:
|
|
%c = landingpad { i8*, i32 }
|
|
filter [2 x i32*] [i32* @T1, i32* null]
|
|
unreachable
|
|
; CHECK: %c = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.d:
|
|
%d = landingpad { i8*, i32 }
|
|
cleanup
|
|
catch i32* null
|
|
unreachable
|
|
; CHECK: %d = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
}
|
|
|
|
define void @foo_objc() personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0 {
|
|
; CHECK-LABEL: @foo_objc(
|
|
invoke void @bar()
|
|
to label %cont.a unwind label %lpad.a
|
|
cont.a:
|
|
invoke void @bar()
|
|
to label %cont.b unwind label %lpad.b
|
|
cont.b:
|
|
invoke void @bar()
|
|
to label %cont.c unwind label %lpad.c
|
|
cont.c:
|
|
invoke void @bar()
|
|
to label %cont.d unwind label %lpad.d
|
|
cont.d:
|
|
ret void
|
|
|
|
lpad.a:
|
|
%a = landingpad { i8*, i32 }
|
|
catch i32* null
|
|
catch i32* @T1
|
|
unreachable
|
|
; CHECK: %a = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.b:
|
|
%b = landingpad { i8*, i32 }
|
|
filter [1 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %b = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.c:
|
|
%c = landingpad { i8*, i32 }
|
|
filter [2 x i32*] [i32* @T1, i32* null]
|
|
unreachable
|
|
; CHECK: %c = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.d:
|
|
%d = landingpad { i8*, i32 }
|
|
cleanup
|
|
catch i32* null
|
|
unreachable
|
|
; CHECK: %d = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
}
|
|
|
|
define void @foo_seh() personality i32 (...)* @__C_specific_handler {
|
|
; CHECK-LABEL: @foo_seh(
|
|
invoke void @bar()
|
|
to label %cont.a unwind label %lpad.a
|
|
cont.a:
|
|
invoke void @bar()
|
|
to label %cont.b unwind label %lpad.b
|
|
cont.b:
|
|
invoke void @bar()
|
|
to label %cont.c unwind label %lpad.c
|
|
cont.c:
|
|
invoke void @bar()
|
|
to label %cont.d unwind label %lpad.d
|
|
cont.d:
|
|
ret void
|
|
|
|
lpad.a:
|
|
%a = landingpad { i8*, i32 }
|
|
catch i32* null
|
|
catch i32* @T1
|
|
unreachable
|
|
; CHECK: %a = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.b:
|
|
%b = landingpad { i8*, i32 }
|
|
filter [1 x i32*] zeroinitializer
|
|
unreachable
|
|
; CHECK: %b = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.c:
|
|
%c = landingpad { i8*, i32 }
|
|
filter [2 x i32*] [i32* @T1, i32* null]
|
|
unreachable
|
|
; CHECK: %c = landingpad
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: unreachable
|
|
|
|
lpad.d:
|
|
%d = landingpad { i8*, i32 }
|
|
cleanup
|
|
catch i32* null
|
|
unreachable
|
|
; CHECK: %d = landingpad
|
|
; CHECK-NEXT: null
|
|
; CHECK-NEXT: unreachable
|
|
}
|