llvm-6502/test/Transforms/SimplifyCFG/2005-06-16-PHICrash.ll

126 lines
4.2 KiB
LLVM
Raw Normal View History

; RUN: llvm-as < %s | opt -simplifycfg -disable-output
; PR584
%g_38098584 = external global uint ; <uint*> [#uses=1]
%g_60187400 = external global uint ; <uint*> [#uses=1]
%g_59182229 = external global uint ; <uint*> [#uses=2]
implementation ; Functions:
int %_Z13func_26556482h(ubyte %l_88173906) {
entry:
%tmp.1 = cast ubyte %l_88173906 to sbyte ; <sbyte> [#uses=2]
%tmp.3 = seteq ubyte %l_88173906, 0 ; <bool> [#uses=1]
br bool %tmp.3, label %else.0, label %then.0
then.0: ; preds = %entry
%tmp.5 = seteq ubyte %l_88173906, 0 ; <bool> [#uses=1]
br bool %tmp.5, label %else.1, label %then.1
then.1: ; preds = %then.0
br label %return
else.1: ; preds = %then.0
br label %loopentry.0
loopentry.0: ; preds = %no_exit.0, %else.1
%i.0.1 = phi int [ 0, %else.1 ], [ %inc.0, %no_exit.0 ] ; <int> [#uses=2]
%tmp.9 = setgt int %i.0.1, 99 ; <bool> [#uses=1]
br bool %tmp.9, label %endif.0, label %no_exit.0
no_exit.0: ; preds = %loopentry.0
%inc.0 = add int %i.0.1, 1 ; <int> [#uses=1]
br label %loopentry.0
else.0: ; preds = %entry
%tmp.12 = cast sbyte %tmp.1 to int ; <int> [#uses=1]
br label %return
endif.0: ; preds = %loopentry.0
%tmp.14 = cast sbyte %tmp.1 to int ; <int> [#uses=1]
%tmp.16 = cast ubyte %l_88173906 to int ; <int> [#uses=1]
%tmp.17 = setgt int %tmp.14, %tmp.16 ; <bool> [#uses=1]
%tmp.19 = load uint* %g_59182229 ; <uint> [#uses=2]
br bool %tmp.17, label %cond_true, label %cond_false
cond_true: ; preds = %endif.0
%tmp.20 = setne uint %tmp.19, 1 ; <bool> [#uses=1]
br label %cond_continue
cond_false: ; preds = %endif.0
%tmp.22 = setne uint %tmp.19, 0 ; <bool> [#uses=1]
br label %cond_continue
cond_continue: ; preds = %cond_false, %cond_true
%mem_tmp.0 = phi bool [ %tmp.20, %cond_true ], [ %tmp.22, %cond_false ] ; <bool> [#uses=1]
br bool %mem_tmp.0, label %then.2, label %else.2
then.2: ; preds = %cond_continue
%tmp.25 = cast ubyte %l_88173906 to int ; <int> [#uses=1]
br label %return
else.2: ; preds = %cond_continue
br label %loopentry.1
loopentry.1: ; preds = %endif.3, %else.2
%i.1.1 = phi int [ 0, %else.2 ], [ %inc.3, %endif.3 ] ; <int> [#uses=2]
%i.3.2 = phi int [ undef, %else.2 ], [ %i.3.0, %endif.3 ] ; <int> [#uses=2]
%l_88173906_addr.1 = phi ubyte [ %l_88173906, %else.2 ], [ %l_88173906_addr.0, %endif.3 ] ; <ubyte> [#uses=3]
%tmp.29 = setgt int %i.1.1, 99 ; <bool> [#uses=1]
br bool %tmp.29, label %endif.2, label %no_exit.1
no_exit.1: ; preds = %loopentry.1
%tmp.30 = load uint* %g_38098584 ; <uint> [#uses=1]
%tmp.31 = seteq uint %tmp.30, 0 ; <bool> [#uses=1]
br bool %tmp.31, label %else.3, label %then.3
then.3: ; preds = %no_exit.1
br label %endif.3
else.3: ; preds = %no_exit.1
br bool false, label %else.4, label %then.4
then.4: ; preds = %else.3
br label %endif.3
else.4: ; preds = %else.3
br bool false, label %else.5, label %then.5
then.5: ; preds = %else.4
store uint 3290648471, uint* %g_59182229
br label %return
else.5: ; preds = %else.4
br label %loopentry.3
loopentry.3: ; preds = %then.7, %else.5
%i.3.3 = phi int [ 0, %else.5 ], [ %inc.2, %then.7 ] ; <int> [#uses=3]
%tmp.55 = setgt int %i.3.3, 99 ; <bool> [#uses=1]
br bool %tmp.55, label %endif.3, label %no_exit.3
no_exit.3: ; preds = %loopentry.3
%tmp.57 = seteq ubyte %l_88173906_addr.1, 0 ; <bool> [#uses=1]
br bool %tmp.57, label %else.7, label %then.7
then.7: ; preds = %no_exit.3
store uint 16239, uint* %g_60187400
%inc.2 = add int %i.3.3, 1 ; <int> [#uses=1]
br label %loopentry.3
else.7: ; preds = %no_exit.3
br label %return
endif.3: ; preds = %loopentry.3, %then.4, %then.3
%i.3.0 = phi int [ %i.3.2, %then.3 ], [ %i.3.2, %then.4 ], [ %i.3.3, %loopentry.3 ] ; <int> [#uses=1]
%l_88173906_addr.0 = phi ubyte [ 100, %then.3 ], [ %l_88173906_addr.1, %then.4 ], [ %l_88173906_addr.1, %loopentry.3 ] ; <ubyte> [#uses=1]
%inc.3 = add int %i.1.1, 1 ; <int> [#uses=1]
br label %loopentry.1
endif.2: ; preds = %loopentry.1
br label %return
return: ; preds = %endif.2, %else.7, %then.5, %then.2, %else.0, %then.1
%result.0 = phi int [ 1624650671, %then.1 ], [ %tmp.25, %then.2 ], [ 3379, %then.5 ], [ 52410, %else.7 ], [ -1526438411, %endif.2 ], [ %tmp.12, %else.0 ] ; <int> [#uses=1]
ret int %result.0
}