llvm-6502/test/Transforms/IndVarSimplify/2006-03-31-NegativeStride.ll
Dan Gohman 74786c0f43 Rename IndVarsSimplify to IndVarSimplify, to be consistent with
the name used in the code that these tests are for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16 00:56:15 +00:00

23 lines
757 B
LLVM

; PR726
; RUN: llvm-as < %s | opt -indvars | llvm-dis | \
; RUN: grep {ret i32 27}
; Make sure to compute the right exit value based on negative strides.
define i32 @test() {
entry:
br label %cond_true
cond_true: ; preds = %cond_true, %entry
%a.0.0 = phi i32 [ 10, %entry ], [ %tmp4, %cond_true ] ; <i32> [#uses=2]
%b.0.0 = phi i32 [ 0, %entry ], [ %tmp2, %cond_true ] ; <i32> [#uses=1]
%tmp2 = add i32 %b.0.0, %a.0.0 ; <i32> [#uses=2]
%tmp4 = add i32 %a.0.0, -1 ; <i32> [#uses=2]
%tmp = icmp sgt i32 %tmp4, 7 ; <i1> [#uses=1]
br i1 %tmp, label %cond_true, label %bb7
bb7: ; preds = %cond_true
ret i32 %tmp2
}