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, 58 insertions, 0 deletions

diff --git a/llvm/test/Transforms/InstCombine/sink-into-catchswitch.ll b/llvm/test/Transforms/InstCombine/sink-into-catchswitch.ll
new file mode 100644
index 00000000000..893bf2b16f7
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/sink-into-catchswitch.ll
@@ -0,0 +1,58 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -instcombine -S < %s | FileCheck %s
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc18.0.0"
+
+%struct.B = type { i64, i64 }
+
+define void @test1(%struct.B* %p) personality i32 (...)* @__CxxFrameHandler3 {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:  invoke.cont:
+; CHECK-NEXT:    [[TMP0:%.*]] = bitcast %struct.B* [[P:%.*]] to <2 x i64>*
+; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, <2 x i64>* [[TMP0]], align 8
+; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x i64> [[TMP1]], i32 0
+; CHECK-NEXT:    invoke void @throw()
+; CHECK-NEXT:    to label [[UNREACHABLE:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
+; CHECK:       catch.dispatch:
+; CHECK-NEXT:    [[CS:%.*]] = catchswitch within none [label %invoke.cont1] unwind label [[EHCLEANUP:%.*]]
+; CHECK:       invoke.cont1:
+; CHECK-NEXT:    [[CATCH:%.*]] = catchpad within [[CS]] [i8* null, i32 64, i8* null]
+; CHECK-NEXT:    invoke void @throw() [ "funclet"(token [[CATCH]]) ]
+; CHECK-NEXT:    to label [[UNREACHABLE]] unwind label [[EHCLEANUP]]
+; CHECK:       ehcleanup:
+; CHECK-NEXT:    [[PHI:%.*]] = phi i64 [ [[TMP2]], [[CATCH_DISPATCH]] ], [ 9, [[INVOKE_CONT1:%.*]] ]
+; CHECK-NEXT:    [[CLEANUP:%.*]] = cleanuppad within none []
+; CHECK-NEXT:    call void @release(i64 [[PHI]]) [ "funclet"(token [[CLEANUP]]) ]
+; CHECK-NEXT:    cleanupret from [[CLEANUP]] unwind to caller
+; CHECK:       unreachable:
+; CHECK-NEXT:    unreachable
+;
+invoke.cont:
+  %0 = bitcast %struct.B* %p to <2 x i64>*
+  %1 = load <2 x i64>, <2 x i64>* %0, align 8
+  %2 = extractelement <2 x i64> %1, i32 0
+  invoke void @throw()
+  to label %unreachable unwind label %catch.dispatch
+
+catch.dispatch:                                   ; preds = %invoke.cont
+  %cs = catchswitch within none [label %invoke.cont1] unwind label %ehcleanup
+
+invoke.cont1:                                     ; preds = %catch.dispatch
+  %catch = catchpad within %cs [i8* null, i32 64, i8* null]
+  invoke void @throw() [ "funclet"(token %catch) ]
+  to label %unreachable unwind label %ehcleanup
+
+ehcleanup:                                        ; preds = %invoke.cont1, %catch.dispatch
+  %phi = phi i64 [ %2, %catch.dispatch ], [ 9, %invoke.cont1 ]
+  %cleanup = cleanuppad within none []
+  call void @release(i64 %phi) [ "funclet"(token %cleanup) ]
+  cleanupret from %cleanup unwind to caller
+
+unreachable:                                      ; preds = %invoke.cont1, %invoke.cont
+  unreachable
+}
+
+declare i32 @__CxxFrameHandler3(...)
+declare void @throw()
+declare void @release(i64)