Revert "Temporarily Revert "Add basic loop fusion pass.""

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552

1 files changed, 31 insertions, 0 deletions

diff --git a/llvm/test/Transforms/SLPVectorizer/X86/crash_gep.ll b/llvm/test/Transforms/SLPVectorizer/X86/crash_gep.ll
new file mode 100644
index 00000000000..eca21e7d3a1
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/X86/crash_gep.ll
@@ -0,0 +1,31 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@a = common global i64* null, align 8
+
+; Function Attrs: nounwind uwtable
+define i32 @fn1() {
+; CHECK-LABEL: @fn1(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[TMP0:%.*]] = load i64*, i64** @a, align 8
+; CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 1
+; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint i64* [[ADD_PTR]] to i64
+; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 2
+; CHECK-NEXT:    store i64 [[TMP1]], i64* [[ARRAYIDX]], align 8
+; CHECK-NEXT:    [[TMP2:%.*]] = ptrtoint i64* [[ARRAYIDX]] to i64
+; CHECK-NEXT:    store i64 [[TMP2]], i64* [[ADD_PTR]], align 8
+; CHECK-NEXT:    ret i32 undef
+;
+entry:
+  %0 = load i64*, i64** @a, align 8
+  %add.ptr = getelementptr inbounds i64, i64* %0, i64 1
+  %1 = ptrtoint i64* %add.ptr to i64
+  %arrayidx = getelementptr inbounds i64, i64* %0, i64 2
+  store i64 %1, i64* %arrayidx, align 8
+  %2 = ptrtoint i64* %arrayidx to i64
+  store i64 %2, i64* %add.ptr, align 8
+  ret i32 undef
+}