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llvm-mirror/test/Transforms/IndVarSimplify/2009-04-22-IndvarCrash.ll

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; RUN: opt < %s -indvars
; rdar://6817574
define i32 @t1() nounwind ssp {
entry:
br label %bb32
bb32: ; preds = %bb32, %entry
%mbPartIdx.0.reg2mem.0 = phi i8 [ %2, %bb32 ], [ 0, %entry ] ; <i8> [#uses=3]
%0 = and i8 %mbPartIdx.0.reg2mem.0, 1 ; <i8> [#uses=0]
%1 = zext i8 %mbPartIdx.0.reg2mem.0 to i64 ; <i64> [#uses=0]
%2 = add i8 %mbPartIdx.0.reg2mem.0, 1 ; <i8> [#uses=2]
%3 = icmp ugt i8 %2, 3 ; <i1> [#uses=1]
br i1 %3, label %bb41, label %bb32
bb41: ; preds = %bb32
ret i32 0
}
define i32 @t2() nounwind ssp {
entry:
br label %bb116
bb116: ; preds = %bb116, %entry
%mbPartIdx.1.reg2mem.0 = phi i8 [ %3, %bb116 ], [ 0, %entry ] ; <i8> [#uses=3]
%0 = and i8 %mbPartIdx.1.reg2mem.0, 1 ; <i8> [#uses=1]
%1 = zext i8 %mbPartIdx.1.reg2mem.0 to i64 ; <i64> [#uses=0]
%2 = zext i8 %0 to i32 ; <i32> [#uses=0]
%3 = add i8 %mbPartIdx.1.reg2mem.0, 1 ; <i8> [#uses=2]
%4 = icmp ugt i8 %3, 3 ; <i1> [#uses=1]
br i1 %4, label %bb131, label %bb116
bb131: ; preds = %bb116
unreachable
}