llvm-project/llvm/test/Transforms/Reassociate/reassociate-catchswitch.ll

47 lines
1.7 KiB
LLVM

; Catchswitch is interesting because reassociate previously tried to insert
; into the catchswitch block, which is impossible.
;
; RUN: opt -reassociate -disable-output < %s
;
; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename = "catchswitch.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.11.0"
define dso_local void @"?f@@YAX_N@Z"(i1 %b) local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
br i1 %b, label %if.then, label %if.else
if.then: ; preds = %entry
invoke void @"?g@@YAXXZ"()
to label %cleanup unwind label %catch.dispatch
if.else: ; preds = %entry
invoke void @"?g2@@YAXXZ"()
to label %cleanup unwind label %catch.dispatch
catch.dispatch: ; preds = %if.else, %if.then
%z.0 = phi i32 [ 3, %if.then ], [ 5, %if.else ]
%0 = catchswitch within none [label %catch] unwind to caller
catch: ; preds = %catch.dispatch
%1 = catchpad within %0 [i8* null, i32 64, i8* null]
%blech = sub nsw i32 5, %z.0
%sub = sub nsw i32 %blech, %z.0
call void @"?use@@YAXHH@Z"(i32 %z.0, i32 %sub) [ "funclet"(token %1) ]
unreachable
cleanup: ; preds = %if.else, %if.then
ret void
}
declare dso_local void @"?g@@YAXXZ"() local_unnamed_addr #0
declare dso_local i32 @__CxxFrameHandler3(...)
declare dso_local void @"?g2@@YAXXZ"() local_unnamed_addr #0
declare dso_local void @"?use@@YAXHH@Z"(i32, i32) local_unnamed_addr #0
attributes #0 = { "use-soft-float"="false" }