llvm/test/Transforms/IndVarSimplify/iterationCount_zext_or_trunc.ll
Dan Gohman f2f6ce65b7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

26 lines
784 B
LLVM

; RUN: opt < %s -indvars -disable-output
; ModuleID = 'testcase.bc'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "i686-pc-linux-gnu"
define i32 @testcase(i5 zeroext %k) {
entry:
br label %bb2
bb: ; preds = %bb2
%tmp1 = add i32 %tmp2, %result ; <i32> [#uses=1]
%indvar_next1 = add i5 %k_0, 1 ; <i5> [#uses=1]
br label %bb2
bb2: ; preds = %bb, %entry
%k_0 = phi i5 [ 0, %entry ], [ %indvar_next1, %bb ] ; <i5> [#uses=2]
%result = phi i32 [ 0, %entry ], [ %tmp1, %bb ] ; <i32> [#uses=2]
%tmp2 = zext i5 %k_0 to i32 ; <i32> [#uses=1]
%exitcond = icmp eq i32 %tmp2, 16 ; <i1> [#uses=1]
br i1 %exitcond, label %bb3, label %bb
bb3: ; preds = %bb2
ret i32 %result
}