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llvm-mirror/test/Transforms/LoopIndexSplit/2008-10-10-OneIteration.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

67 lines
2.2 KiB
LLVM

; RUN: opt < %s -loop-index-split -stats -disable-output |& grep "1 loop-index-split"
; PR 2869
@w = external global [2 x [2 x i32]] ; <[2 x [2 x i32]]*> [#uses=5]
declare i32 @f() nounwind
define i32 @main() noreturn nounwind {
entry:
br label %bb1.i.outer
bb1.i.outer: ; preds = %bb5.i, %entry
%i.0.reg2mem.0.ph.i.ph = phi i32 [ 0, %entry ], [ %indvar.next1, %bb5.i ] ; <i32> [#uses=3]
br label %bb1.i
bb1.i: ; preds = %bb3.i, %bb1.i.outer
%j.0.reg2mem.0.i = phi i32 [ 0, %bb1.i.outer ], [ %indvar.next, %bb3.i ] ; <i32> [#uses=3]
%0 = icmp eq i32 %i.0.reg2mem.0.ph.i.ph, %j.0.reg2mem.0.i ; <i1> [#uses=1]
br i1 %0, label %bb2.i, label %bb3.i
bb2.i: ; preds = %bb1.i
%1 = getelementptr [2 x [2 x i32]]* @w, i32 0, i32 %i.0.reg2mem.0.ph.i.ph, i32 %j.0.reg2mem.0.i ; <i32*> [#uses=1]
store i32 1, i32* %1, align 4
br label %bb3.i
bb3.i: ; preds = %bb2.i, %bb1.i
%indvar.next = add i32 %j.0.reg2mem.0.i, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, 2 ; <i1> [#uses=1]
br i1 %exitcond, label %bb5.i, label %bb1.i
bb5.i: ; preds = %bb3.i
%indvar.next1 = add i32 %i.0.reg2mem.0.ph.i.ph, 1 ; <i32> [#uses=2]
%exitcond2 = icmp eq i32 %indvar.next1, 2 ; <i1> [#uses=1]
br i1 %exitcond2, label %f.exit, label %bb1.i.outer
f.exit: ; preds = %bb5.i
%2 = load i32* getelementptr ([2 x [2 x i32]]* @w, i32 0, i32 0, i32 0), align 4 ; <i32> [#uses=1]
%3 = icmp eq i32 %2, 1 ; <i1> [#uses=1]
br i1 %3, label %bb, label %bb3
bb: ; preds = %f.exit
%4 = load i32* getelementptr ([2 x [2 x i32]]* @w, i32 0, i32 1, i32 1), align 4 ; <i32> [#uses=1]
%5 = icmp eq i32 %4, 1 ; <i1> [#uses=1]
br i1 %5, label %bb1, label %bb3
bb1: ; preds = %bb
%6 = load i32* getelementptr ([2 x [2 x i32]]* @w, i32 0, i32 1, i32 0), align 4 ; <i32> [#uses=1]
%7 = icmp eq i32 %6, 0 ; <i1> [#uses=1]
br i1 %7, label %bb2, label %bb3
bb2: ; preds = %bb1
%8 = load i32* getelementptr ([2 x [2 x i32]]* @w, i32 0, i32 0, i32 1), align 4 ; <i32> [#uses=1]
%9 = icmp eq i32 %8, 0 ; <i1> [#uses=1]
br i1 %9, label %bb4, label %bb3
bb3: ; preds = %bb2, %bb1, %bb, %f.exit
tail call void @abort() noreturn nounwind
unreachable
bb4: ; preds = %bb2
ret i32 0
}
declare void @abort() noreturn nounwind
declare void @exit(i32) noreturn nounwind