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llvm-mirror/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll
2009-09-09 00:09:15 +00:00

36 lines
1.5 KiB
LLVM

; RUN: llc < %s -O0
%struct.cl_perfunc_opts = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i32, i32, i32, i32, i32, i32 }
@cl_pf_opts = external global %struct.cl_perfunc_opts ; <%struct.cl_perfunc_opts*> [#uses=2]
define void @set_flags_from_O() {
entry:
%tmp22 = icmp sgt i32 0, 0 ; <i1> [#uses=1]
br i1 %tmp22, label %cond_true23, label %cond_next159
cond_true23: ; preds = %entry
%tmp138 = getelementptr %struct.cl_perfunc_opts* @cl_pf_opts, i32 0, i32 8 ; <i8*> [#uses=1]
%tmp138.upgrd.1 = bitcast i8* %tmp138 to i32* ; <i32*> [#uses=2]
%tmp139 = load i32* %tmp138.upgrd.1 ; <i32> [#uses=1]
%tmp140 = shl i32 1, 27 ; <i32> [#uses=1]
%tmp141 = and i32 %tmp140, 134217728 ; <i32> [#uses=1]
%tmp142 = and i32 %tmp139, -134217729 ; <i32> [#uses=1]
%tmp143 = or i32 %tmp142, %tmp141 ; <i32> [#uses=1]
store i32 %tmp143, i32* %tmp138.upgrd.1
%tmp144 = getelementptr %struct.cl_perfunc_opts* @cl_pf_opts, i32 0, i32 8 ; <i8*> [#uses=1]
%tmp144.upgrd.2 = bitcast i8* %tmp144 to i32* ; <i32*> [#uses=1]
%tmp145 = load i32* %tmp144.upgrd.2 ; <i32> [#uses=1]
%tmp146 = shl i32 %tmp145, 22 ; <i32> [#uses=1]
%tmp147 = lshr i32 %tmp146, 31 ; <i32> [#uses=1]
%tmp147.upgrd.3 = trunc i32 %tmp147 to i8 ; <i8> [#uses=1]
%tmp148 = icmp eq i8 %tmp147.upgrd.3, 0 ; <i1> [#uses=1]
br i1 %tmp148, label %cond_true149, label %cond_next159
cond_true149: ; preds = %cond_true23
%tmp150 = bitcast i8* null to i32* ; <i32*> [#uses=0]
ret void
cond_next159: ; preds = %cond_true23, %entry
ret void
}