From 83b3d8267225d585678d5d3af9bba5735f4b415d Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Wed, 17 Jan 2007 07:59:14 +0000
Subject: Regression is gone, don't try to find it on clean target.

llvm-svn: 33296
---
 llvm/test/Transforms/LoopUnroll/.cvsignore         |  3 +++
 .../LoopUnroll/2004-05-13-DontUnrollTooMuch.ll     | 15 +++++++++++
 .../LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll     | 29 ++++++++++++++++++++++
 .../LoopUnroll/2006-08-24-MultiBlockLoop.ll        | 18 ++++++++++++++
 llvm/test/Transforms/LoopUnroll/dg.exp             |  3 +++
 5 files changed, 68 insertions(+)
 create mode 100644 llvm/test/Transforms/LoopUnroll/.cvsignore
 create mode 100644 llvm/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
 create mode 100644 llvm/test/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
 create mode 100644 llvm/test/Transforms/LoopUnroll/2006-08-24-MultiBlockLoop.ll
 create mode 100644 llvm/test/Transforms/LoopUnroll/dg.exp

(limited to 'llvm/test/Transforms/LoopUnroll')

diff --git a/llvm/test/Transforms/LoopUnroll/.cvsignore b/llvm/test/Transforms/LoopUnroll/.cvsignore
new file mode 100644
index 00000000000..7f2443f2f31
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/.cvsignore
@@ -0,0 +1,3 @@
+Output
+*.log
+*.sum
diff --git a/llvm/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll b/llvm/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
new file mode 100644
index 00000000000..8c3e697c89a
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-unroll -disable-output
+
+int %main() {
+entry:
+        br label %no_exit
+
+no_exit:                ; preds = %entry, %no_exit
+        %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ]            ; <uint> [#uses=1]
+        %indvar.next = add uint %indvar, 1              ; <uint> [#uses=2]
+        %exitcond = setne uint %indvar.next, 2147483648         ; <bool> [#uses=1]
+        br bool %exitcond, label %no_exit, label %loopexit
+
+loopexit:               ; preds = %no_exit
+        ret int 0
+}
diff --git a/llvm/test/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll b/llvm/test/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
new file mode 100644
index 00000000000..1681506acbd
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-unroll -loopsimplify -disable-output
+
+implementation   ; Functions:
+
+void %print_board() {
+entry:
+	br label %no_exit.1
+
+no_exit.1:		; preds = %cond_false.2, %entry
+	br label %no_exit.2
+
+no_exit.2:		; preds = %no_exit.2, %no_exit.1
+	%indvar1 = phi uint [ 0, %no_exit.1 ], [ %indvar.next2, %no_exit.2 ]		; <uint> [#uses=1]
+	%indvar.next2 = add uint %indvar1, 1		; <uint> [#uses=2]
+	%exitcond3 = setne uint %indvar.next2, 7		; <bool> [#uses=1]
+	br bool %exitcond3, label %no_exit.2, label %loopexit.2
+
+loopexit.2:		; preds = %no_exit.2
+	br bool false, label %cond_true.2, label %cond_false.2
+
+cond_true.2:		; preds = %loopexit.2
+	ret void
+
+cond_false.2:		; preds = %loopexit.2
+	br bool false, label %no_exit.1, label %loopexit.1
+
+loopexit.1:		; preds = %cond_false.2
+	ret void
+}
diff --git a/llvm/test/Transforms/LoopUnroll/2006-08-24-MultiBlockLoop.ll b/llvm/test/Transforms/LoopUnroll/2006-08-24-MultiBlockLoop.ll
new file mode 100644
index 00000000000..c21ae484db0
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/2006-08-24-MultiBlockLoop.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-unroll | llvm-dis | grep "bb72.2"
+
+void %vorbis_encode_noisebias_setup() {
+entry:
+	br label %cond_true.outer
+
+cond_true.outer:
+	%indvar1.ph = phi uint [ 0, %entry ], [ %indvar.next2, %bb72 ]
+	br label %bb72
+
+bb72:
+	%indvar.next2 = add uint %indvar1.ph, 1
+	%exitcond3 = seteq uint %indvar.next2, 3
+	br bool %exitcond3, label %cond_true138, label %cond_true.outer
+
+cond_true138:
+	ret void
+}
diff --git a/llvm/test/Transforms/LoopUnroll/dg.exp b/llvm/test/Transforms/LoopUnroll/dg.exp
new file mode 100644
index 00000000000..142de8a6c8f
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/dg.exp
@@ -0,0 +1,3 @@
+load_lib llvm-dg.exp
+
+llvm-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]] $objdir $srcdir $subdir $target_triplet $llvmgcc $llvmgxx $prcontext $llvmgcc_version
-- 
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