llvm/test/Transforms/IndVarSimplify/loop-invariant-step.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

34 lines
1.1 KiB
LLVM

; RUN: opt < %s -loop-index-split -instcombine -indvars -disable-output
; PR4455
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
declare i8* @fast_memcpy(i8*, i8*, i64)
define void @dvdsub_decode() nounwind {
entry: ; preds = %bb1
br label %LoopA
LoopA: ; preds = %LoopA, %entry
%x1.0.i17 = phi i32 [ %t0, %LoopA ], [ 0, %entry ] ; <i32> [#uses=2]
%t0 = add i32 %x1.0.i17, 1 ; <i32> [#uses=1]
br i1 undef, label %LoopA, label %middle
middle: ; preds = %LoopA
%t1 = sub i32 0, %x1.0.i17 ; <i32> [#uses=1]
%t2 = add i32 %t1, 1 ; <i32> [#uses=1]
br label %LoopB
LoopB: ; preds = %LoopB, %bb.nph.i27
%y.029.i = phi i32 [ 0, %middle ], [ %t7, %LoopB ] ; <i32> [#uses=2]
%t3 = mul i32 %y.029.i, %t2 ; <i32> [#uses=1]
%t4 = sext i32 %t3 to i64 ; <i64> [#uses=1]
%t5 = getelementptr i8* null, i64 %t4 ; <i8*> [#uses=1]
%t6 = call i8* @fast_memcpy(i8* %t5, i8* undef, i64 undef) nounwind ; <i8*> [#uses=0]
%t7 = add i32 %y.029.i, 1 ; <i32> [#uses=1]
br i1 undef, label %LoopB, label %exit
exit:
ret void
}