forked from OSchip/llvm-project
111 lines
2.4 KiB
LLVM
111 lines
2.4 KiB
LLVM
|
; RUN: opt < %s -simplifycfg -S | FileCheck %s
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
|
||
|
|
declare i32 @__gxx_personality_v0(...)
|
||
|
|
declare void @fn()
|
||
|
|
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test1
|
||
|
|
define void @test1() personality i32 (...)* @__gxx_personality_v0 {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: entry:
|
||
|
|
; CHECK: to label %invoke2 unwind label %lpad2
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke2 unwind label %lpad1
|
||
|
|
|
||
|
|
invoke2:
|
||
|
|
; CHECK-LABEL: invoke2:
|
||
|
|
; CHECK: to label %invoke.cont unwind label %lpad2
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke.cont unwind label %lpad2
|
||
|
|
|
||
|
|
invoke.cont:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
lpad1:
|
||
|
|
%exn = landingpad {i8*, i32}
|
||
|
|
cleanup
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
lpad2:
|
||
|
|
; CHECK-LABEL: lpad2:
|
||
|
|
; CHECK: landingpad { i8*, i32 }
|
||
|
|
; CHECK-NEXT: cleanup
|
||
|
|
; CHECK-NEXT: call void @fn()
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
%exn2 = landingpad {i8*, i32}
|
||
|
|
cleanup
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
shared_resume:
|
||
|
|
call void @fn()
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Don't trigger if blocks aren't the same/empty
|
||
|
|
define void @neg1() personality i32 (...)* @__gxx_personality_v0 {
|
||
|
|
; CHECK-LABEL: @neg1
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: entry:
|
||
|
|
; CHECK: to label %invoke2 unwind label %lpad1
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke2 unwind label %lpad1
|
||
|
|
|
||
|
|
invoke2:
|
||
|
|
; CHECK-LABEL: invoke2:
|
||
|
|
; CHECK: to label %invoke.cont unwind label %lpad2
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke.cont unwind label %lpad2
|
||
|
|
|
||
|
|
invoke.cont:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
lpad1:
|
||
|
|
%exn = landingpad {i8*, i32}
|
||
|
|
filter [0 x i8*] zeroinitializer
|
||
|
|
call void @fn()
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
lpad2:
|
||
|
|
%exn2 = landingpad {i8*, i32}
|
||
|
|
cleanup
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
shared_resume:
|
||
|
|
call void @fn()
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Should not trigger when the landing pads are not the exact same
|
||
|
|
define void @neg2() personality i32 (...)* @__gxx_personality_v0 {
|
||
|
|
; CHECK-LABEL: @neg2
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: entry:
|
||
|
|
; CHECK: to label %invoke2 unwind label %lpad1
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke2 unwind label %lpad1
|
||
|
|
|
||
|
|
invoke2:
|
||
|
|
; CHECK-LABEL: invoke2:
|
||
|
|
; CHECK: to label %invoke.cont unwind label %lpad2
|
||
|
|
invoke void @fn()
|
||
|
|
to label %invoke.cont unwind label %lpad2
|
||
|
|
|
||
|
|
invoke.cont:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
lpad1:
|
||
|
|
%exn = landingpad {i8*, i32}
|
||
|
|
filter [0 x i8*] zeroinitializer
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
lpad2:
|
||
|
|
%exn2 = landingpad {i8*, i32}
|
||
|
|
cleanup
|
||
|
|
br label %shared_resume
|
||
|
|
|
||
|
|
shared_resume:
|
||
|
|
call void @fn()
|
||
|
|
ret void
|
||
|
|
}
|