RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-01 16:33:37 +01:00
Code Issues Projects Releases Wiki Activity
fcde15ab12
llvm-mirror/test/Transforms/InstCombine/LandingPadClauses.ll

234 lines
6.0 KiB
LLVM
Raw Normal View History

Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
; 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*)
Add support for the Objective-C personality function to the instruction combining of the landingpad instruction. The ObjC personality function acts almost identically to the C++ personality function. In particular, it uses "null" as a "catch-all" value. llvm-svn: 142256
2011-10-17 23:20:24 +02:00
declare i32 @__objc_personality_v0(i32, i64, i8*, i8*)
Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
declare void @bar()
define void @foo_generic() {
; CHECK: @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:
Add forgotten tests that the cleanup flag is cleared if there is a catch-all landingpad clause. llvm-svn: 140858
2011-09-30 19:00:34 +02:00
invoke void @bar()
to label %cont.i unwind label %lpad.i
cont.i:
Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
ret void
lpad.a:
%a = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
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 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
filter [0 x i32*] zeroinitializer
catch i32* @T1
unreachable
; CHECK: %b = landingpad
; CHECK-NEXT: filter
; CHECK-NEXT: unreachable
lpad.c:
%c = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
catch i32* @T1
filter [1 x i32*] [i32* @T1]
catch i32* @T2
unreachable
; CHECK: %c = landingpad
; CHECK-NEXT: @T1
; CHECK-NEXT: filter [0 x i32*]
; CHECK-NEXT: unreachable
lpad.d:
%d = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
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 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
catch i32* @T1
filter [3 x i32*] [i32* @T1, i32* @T2, i32* @T2]
unreachable
; CHECK: %e = landingpad
; CHECK-NEXT: @T1
; CHECK-NEXT: filter [1 x i32*] [i32* @T2]
; CHECK-NEXT: unreachable
lpad.f:
%f = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
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 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
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 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
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
Add forgotten tests that the cleanup flag is cleared if there is a catch-all landingpad clause. llvm-svn: 140858
2011-09-30 19:00:34 +02:00
lpad.i:
%i = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @generic_personality
cleanup
filter [0 x i32*] zeroinitializer
unreachable
; CHECK: %i = landingpad
; CHECK-NEXT: filter
; CHECK-NEXT: unreachable
Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
}
define void @foo_cxx() {
; CHECK: @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:
Add forgotten tests that the cleanup flag is cleared if there is a catch-all landingpad clause. llvm-svn: 140858
2011-09-30 19:00:34 +02:00
invoke void @bar()
to label %cont.d unwind label %lpad.d
cont.d:
Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
ret void
lpad.a:
%a = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
catch i32* null
catch i32* @T1
unreachable
; CHECK: %a = landingpad
; CHECK-NEXT: null
; CHECK-NEXT: unreachable
lpad.b:
%b = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
filter [1 x i32*] zeroinitializer
unreachable
; CHECK: %b = landingpad
; CHECK-NEXT: cleanup
; CHECK-NEXT: unreachable
lpad.c:
%c = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
filter [2 x i32*] [i32* @T1, i32* null]
unreachable
; CHECK: %c = landingpad
; CHECK-NEXT: cleanup
; CHECK-NEXT: unreachable
Add forgotten tests that the cleanup flag is cleared if there is a catch-all landingpad clause. llvm-svn: 140858
2011-09-30 19:00:34 +02:00
lpad.d:
%d = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
cleanup
catch i32* null
unreachable
; CHECK: %d = landingpad
; CHECK-NEXT: null
; CHECK-NEXT: unreachable
Inlining often produces landingpad instructions with repeated catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. llvm-svn: 140852
2011-09-30 15:12:16 +02:00
}
Add support for the Objective-C personality function to the instruction combining of the landingpad instruction. The ObjC personality function acts almost identically to the C++ personality function. In particular, it uses "null" as a "catch-all" value. llvm-svn: 142256
2011-10-17 23:20:24 +02:00
define void @foo_objc() {
; CHECK: @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 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0
catch i32* null
catch i32* @T1
unreachable
; CHECK: %a = landingpad
; CHECK-NEXT: null
; CHECK-NEXT: unreachable
lpad.b:
%b = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0
filter [1 x i32*] zeroinitializer
unreachable
; CHECK: %b = landingpad
; CHECK-NEXT: cleanup
; CHECK-NEXT: unreachable
lpad.c:
%c = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0
filter [2 x i32*] [i32* @T1, i32* null]
unreachable
; CHECK: %c = landingpad
; CHECK-NEXT: cleanup
; CHECK-NEXT: unreachable
lpad.d:
%d = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0
cleanup
catch i32* null
unreachable
; CHECK: %d = landingpad
; CHECK-NEXT: null
; CHECK-NEXT: unreachable
}
Reference in New Issue Copy Permalink