mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
341562b9fb
PR17425. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191741 91177308-0d34-0410-b5e6-96231b3b80d8
114 lines
3.8 KiB
LLVM
114 lines
3.8 KiB
LLVM
; RUN: opt -loop-reduce < %s
|
|
; we used to crash on this one
|
|
|
|
declare i8* @_Znwm()
|
|
declare i32 @__gxx_personality_v0(...)
|
|
declare void @g()
|
|
define void @f() {
|
|
bb0:
|
|
br label %bb1
|
|
bb1:
|
|
%v0 = phi i64 [ 0, %bb0 ], [ %v1, %bb1 ]
|
|
%v1 = add nsw i64 %v0, 1
|
|
br i1 undef, label %bb2, label %bb1
|
|
bb2:
|
|
%v2 = icmp eq i64 %v0, 0
|
|
br i1 %v2, label %bb6, label %bb3
|
|
bb3:
|
|
%v3 = invoke noalias i8* @_Znwm()
|
|
to label %bb5 unwind label %bb4
|
|
bb4:
|
|
%v4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
|
|
cleanup
|
|
br label %bb9
|
|
bb5:
|
|
%v5 = bitcast i8* %v3 to i32**
|
|
%add.ptr.i = getelementptr inbounds i32** %v5, i64 %v0
|
|
br label %bb6
|
|
bb6:
|
|
%v6 = phi i32** [ null, %bb2 ], [ %add.ptr.i, %bb5 ]
|
|
invoke void @g()
|
|
to label %bb7 unwind label %bb8
|
|
bb7:
|
|
unreachable
|
|
bb8:
|
|
%v7 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
|
|
cleanup
|
|
br label %bb9
|
|
bb9:
|
|
resume { i8*, i32 } zeroinitializer
|
|
}
|
|
|
|
|
|
define void @h() {
|
|
bb1:
|
|
invoke void @g() optsize
|
|
to label %bb2 unwind label %bb5
|
|
bb2:
|
|
%arrayctor.cur = phi i8* [ undef, %bb1 ], [ %arrayctor.next, %bb3 ]
|
|
invoke void @g() optsize
|
|
to label %bb3 unwind label %bb6
|
|
bb3:
|
|
%arrayctor.next = getelementptr inbounds i8* %arrayctor.cur, i64 1
|
|
br label %bb2
|
|
bb4:
|
|
ret void
|
|
bb5:
|
|
%tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
|
|
cleanup
|
|
invoke void @g() optsize
|
|
to label %bb4 unwind label %bb7
|
|
bb6:
|
|
%tmp1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
|
|
cleanup
|
|
%arraydestroy.isempty = icmp eq i8* undef, %arrayctor.cur
|
|
ret void
|
|
bb7:
|
|
%lpad.nonloopexit = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
|
|
catch i8* null
|
|
ret void
|
|
}
|
|
|
|
; PR17425
|
|
define void @i() {
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.cond, %entry
|
|
%c.0 = phi i16* [ undef, %entry ], [ %incdec.ptr, %while.cond ]
|
|
%incdec.ptr = getelementptr inbounds i16* %c.0, i64 1
|
|
br i1 undef, label %while.cond1, label %while.cond
|
|
|
|
while.cond1: ; preds = %while.cond1, %while.cond
|
|
%c.1 = phi i16* [ %incdec.ptr5, %while.cond1 ], [ %c.0, %while.cond ]
|
|
%incdec.ptr5 = getelementptr inbounds i16* %c.1, i64 1
|
|
br i1 undef, label %while.cond7, label %while.cond1
|
|
|
|
while.cond7: ; preds = %while.cond7, %while.cond1
|
|
%0 = phi i16* [ %incdec.ptr10, %while.cond7 ], [ %c.1, %while.cond1 ]
|
|
%incdec.ptr10 = getelementptr inbounds i16* %0, i64 1
|
|
br i1 undef, label %while.cond12.preheader, label %while.cond7
|
|
|
|
while.cond12.preheader: ; preds = %while.cond7
|
|
br i1 undef, label %while.end16, label %while.body13.lr.ph
|
|
|
|
while.body13: ; preds = %if.else, %while.body13.lr.ph
|
|
%1 = phi i16* [ %2, %while.body13.lr.ph ], [ %incdec.ptr15, %if.else ]
|
|
br i1 undef, label %while.cond12.outer.loopexit, label %if.else
|
|
|
|
while.cond12.outer.loopexit: ; preds = %while.body13
|
|
br i1 undef, label %while.end16, label %while.body13.lr.ph
|
|
|
|
while.body13.lr.ph: ; preds = %while.cond12.outer.loopexit, %while.cond12.preheader
|
|
%2 = phi i16* [ %1, %while.cond12.outer.loopexit ], [ undef, %while.cond12.preheader ]
|
|
br label %while.body13
|
|
|
|
if.else: ; preds = %while.body13
|
|
%incdec.ptr15 = getelementptr inbounds i16* %1, i64 1
|
|
%cmp = icmp eq i16* %incdec.ptr15, %0
|
|
br i1 %cmp, label %while.end16, label %while.body13
|
|
|
|
while.end16: ; preds = %if.else, %while.cond12.outer.loopexit, %while.cond12.preheader
|
|
ret void
|
|
}
|