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llvm-mirror/test/Transforms/InstCombine/sdiv-2.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

29 lines
802 B
LLVM

; RUN: opt < %s -instcombine -disable-output
; PR3144
define fastcc i32 @func(i32 %length) nounwind {
entry:
%0 = icmp ne i32 %length, -1 ; <i1> [#uses=1]
%iftmp.13.0 = select i1 %0, i128 0, i128 200000000 ; <i128> [#uses=2]
%1 = sdiv i128 %iftmp.13.0, 10 ; <i128> [#uses=1]
br label %bb5
bb5: ; preds = %bb8, %entry
%v.0 = phi i128 [ 0, %entry ], [ %6, %bb8 ] ; <i128> [#uses=2]
%2 = icmp sgt i128 %v.0, %1 ; <i1> [#uses=1]
br i1 %2, label %overflow, label %bb7
bb7: ; preds = %bb5
%3 = mul i128 %v.0, 10 ; <i128> [#uses=2]
%4 = sub i128 %iftmp.13.0, 0 ; <i128> [#uses=1]
%5 = icmp slt i128 %4, %3 ; <i1> [#uses=1]
br i1 %5, label %overflow, label %bb8
bb8: ; preds = %bb7
%6 = add i128 0, %3 ; <i128> [#uses=1]
br label %bb5
overflow: ; preds = %bb7, %bb5
ret i32 1
}