llvm-6502/test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll
2006-12-02 04:23:10 +00:00

22 lines
758 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | opt -indvars | llvm-dis | grep 'ret int 27'
; Make sure to compute the right exit value based on negative strides.
; PR726
int %test() {
entry:
br label %cond_true
cond_true: ; preds = %cond_true, %entry
%a.0.0 = phi int [ 10, %entry ], [ %tmp4, %cond_true ] ; <int> [#uses=2]
%b.0.0 = phi int [ 0, %entry ], [ %tmp2, %cond_true ] ; <int> [#uses=1]
%tmp2 = add int %b.0.0, %a.0.0 ; <int> [#uses=2]
%tmp4 = add int %a.0.0, -1 ; <int> [#uses=2]
%tmp = setgt int %tmp4, 7 ; <bool> [#uses=1]
br bool %tmp, label %cond_true, label %bb7
bb7: ; preds = %cond_true
ret int %tmp2
}