mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
69ccadd753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32115 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
958 B
LLVM
38 lines
958 B
LLVM
; THis testcase caused an assertion failure because a PHI node did not have
|
|
; entries for it's postdominator. But I think this can only happen when the
|
|
; PHI node is dead, so we just avoid patching up dead PHI nodes.
|
|
|
|
; RUN: llvm-upgrade < %s | llvm-as | opt -adce
|
|
|
|
target endian = little
|
|
target pointersize = 32
|
|
|
|
implementation ; Functions:
|
|
|
|
void %dead_test8() {
|
|
entry: ; No predecessors!
|
|
br label %loopentry
|
|
|
|
loopentry: ; preds = %entry, %endif
|
|
%k.1 = phi int [ %k.0, %endif ], [ 0, %entry ] ; <int> [#uses=1]
|
|
br bool false, label %no_exit, label %return
|
|
|
|
no_exit: ; preds = %loopentry
|
|
br bool false, label %then, label %else
|
|
|
|
then: ; preds = %no_exit
|
|
br label %endif
|
|
|
|
else: ; preds = %no_exit
|
|
%dec = add int %k.1, -1 ; <int> [#uses=1]
|
|
br label %endif
|
|
|
|
endif: ; preds = %else, %then
|
|
%k.0 = phi int [ %dec, %else ], [ 0, %then ] ; <int> [#uses=1]
|
|
store int 2, int* null
|
|
br label %loopentry
|
|
|
|
return: ; preds = %loopentry
|
|
ret void
|
|
}
|