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My original test case was bogus. Reverting to crasher case. 

llvm-svn: 28767
This commit is contained in:
Jim Laskey 2006-06-13 15:22:49 +00:00
parent fe25b30c6d
commit a48a176321
1 changed files with 33 additions and 46 deletions
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79
llvm/test/Regression/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
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@ -1,50 +1,37 @@
; RUN: llvm-as < %s | llc -fast
uint %test1(uint %tmp1) {
%tmp2 = or uint %tmp1, 2147483648
%tmp3 = shr uint %tmp2, ubyte 31
%tmp4 = and uint %tmp3, 2147483648
%tmp5 = seteq uint %tmp4, 0
br bool %tmp5, label %cond_true, label %cond_false
cond_true:
ret uint %tmp1
cond_false:
%struct.cl_perfunc_opts = type { ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, ubyte, int, int, int, int, int, int, int }
%cl_pf_opts = external global %struct.cl_perfunc_opts ; <%struct.cl_perfunc_opts*> [#uses=2]
ret uint %tmp2
}
uint %test2(uint %tmp1) {
%tmp2 = or uint %tmp1, 2147483648
%tmp3 = cast uint %tmp2 to int
%tmp4 = shr int %tmp3, ubyte 31
%tmp5 = cast int %tmp4 to uint
%tmp6 = and uint %tmp5, 2147483648
%tmp7 = seteq uint %tmp6, 0
br bool %tmp7, label %cond_true, label %cond_false
cond_true:
ret uint %tmp1
cond_false:
ret uint %tmp2
}
uint %test3(uint %tmp1) {
%tmp2 = or uint %tmp1, 1
%tmp3 = shl uint %tmp2, ubyte 31
%tmp4 = and uint %tmp3, 1
%tmp5 = seteq uint %tmp4, 0
br bool %tmp5, label %cond_true, label %cond_false
cond_true:
ret uint %tmp1
cond_false:
ret uint %tmp2
implementation ; Functions:
void %set_flags_from_O() {
entry:
%tmp22 = setgt int 0, 0 ; <bool> [#uses=1]
br bool %tmp22, label %cond_true23, label %cond_next159
cond_true23: ; preds = %entry
%tmp138 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8 ; <ubyte*> [#uses=1]
%tmp138 = cast ubyte* %tmp138 to uint* ; <uint*> [#uses=2]
%tmp139 = load uint* %tmp138 ; <uint> [#uses=1]
%tmp140 = shl uint 1, ubyte 27 ; <uint> [#uses=1]
%tmp141 = and uint %tmp140, 134217728 ; <uint> [#uses=1]
%tmp142 = and uint %tmp139, 4160749567 ; <uint> [#uses=1]
%tmp143 = or uint %tmp142, %tmp141 ; <uint> [#uses=1]
store uint %tmp143, uint* %tmp138
%tmp144 = getelementptr %struct.cl_perfunc_opts* %cl_pf_opts, int 0, uint 8 ; <ubyte*> [#uses=1]
%tmp144 = cast ubyte* %tmp144 to uint* ; <uint*> [#uses=1]
%tmp145 = load uint* %tmp144 ; <uint> [#uses=1]
%tmp146 = shl uint %tmp145, ubyte 22 ; <uint> [#uses=1]
%tmp147 = shr uint %tmp146, ubyte 31 ; <uint> [#uses=1]
%tmp147 = cast uint %tmp147 to ubyte ; <ubyte> [#uses=1]
%tmp148 = seteq ubyte %tmp147, 0 ; <bool> [#uses=1]
br bool %tmp148, label %cond_true149, label %cond_next159
cond_true149: ; preds = %cond_true23
%tmp150 = cast ubyte* null to uint* ; <uint*> [#uses=0]
ret void
cond_next159: ; preds = %cond_true23, %entry
ret void
}