Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstCombine/misc-2002.ll

@@ -1,50 +0,0 @@
-; NOTE: Assertions have been autogenerated by update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-define void @hang_2002-03-11(i32 %X) {
-; CHECK-LABEL: @hang_2002-03-11(
-; CHECK-NEXT:    ret void
-;
-  %reg117 = add i32 %X, 0
-  ret void
-}
-
-; Instcombine was missing a test that caused it to make illegal transformations
-; sometimes. In this case, it transformed the sub into an add:
-
-define i32 @sub_failure_2002-05-14(i32 %i, i32 %j) {
-; CHECK-LABEL: @sub_failure_2002-05-14(
-; CHECK-NEXT:    [[A:%.*]] = mul i32 %i, %j
-; CHECK-NEXT:    [[B:%.*]] = sub i32 2, [[A]]
-; CHECK-NEXT:    ret i32 [[B]]
-;
-  %A = mul i32 %i, %j
-  %B = sub i32 2, %A
-  ret i32 %B
-}
-
-; This testcase was incorrectly getting completely eliminated. There should be
-; SOME instruction named %c here, even if it's a bitwise and.
-
-define i64 @cast_test_2002-08-02(i64 %A) {
-; CHECK-LABEL: @cast_test_2002-08-02(
-; CHECK-NEXT:    [[C2:%.*]] = and i64 %A, 255
-; CHECK-NEXT:    ret i64 [[C2]]
-;
-  %c1 = trunc i64 %A to i8
-  %c2 = zext i8 %c1 to i64
-  ret i64 %c2
-}
-
-define i32 @missed_const_prop_2002-12-05(i32 %A) {
-; CHECK-LABEL: @missed_const_prop_2002-12-05(
-; CHECK-NEXT:    ret i32 0
-;
-  %A.neg = sub i32 0, %A
-  %.neg = sub i32 0, 1
-  %X = add i32 %.neg, 1
-  %Y.neg.ra = add i32 %A, %X
-  %r = add i32 %A.neg, %Y.neg.ra
-  ret i32 %r
-}
-