move these xfailed tests to lib/Target/README.txt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36805 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/Reassociate/backwards.ll b/test/Transforms/Reassociate/backwards.ll
deleted file mode 100644 (file)
index b1fefc5..0000000
--- a/test/Transforms/Reassociate/backwards.ll
+++ /dev/null
@@ -1,66 +0,0 @@
-; RUN:  llvm-as < %s | opt -reassociate -dce -gcse | llvm-dis | grep add | wc -l | grep 8
-; This test corresponds to GCC PR16157.  Reassociate should arrange for 4 additions to be
-; left in each function.
-
-; We currently don't implement this.  This would require looking globally to 
-; find out which expressions are available, which we currently do not do.
-
-; XFAIL: *
-
-%a4 = external global int
-%a3 = external global int
-%a2 = external global int
-%a1 = external global int
-%a0 = external global int
-%b4 = external global int
-%b3 = external global int
-%b2 = external global int
-%b1 = external global int
-
-implementation   ; Functions:
-
-void %test1() {
-       %tmp.0 = load int* %a4          ; <int> [#uses=1]
-       %tmp.1 = load int* %a3          ; <int> [#uses=2]
-       %tmp.2 = add int %tmp.0, %tmp.1         ; <int> [#uses=1]
-       %tmp.3 = load int* %a2          ; <int> [#uses=3]
-       %tmp.4 = add int %tmp.2, %tmp.3         ; <int> [#uses=1]
-       %tmp.5 = load int* %a1          ; <int> [#uses=4]
-       %tmp.6 = add int %tmp.4, %tmp.5         ; <int> [#uses=1]
-       %tmp.7 = load int* %a0          ; <int> [#uses=4]
-       %tmp.8 = add int %tmp.6, %tmp.7         ; <int> [#uses=1]
-       store int %tmp.8, int* %a4
-       %tmp.11 = add int %tmp.1, %tmp.3                ; <int> [#uses=1]
-       %tmp.13 = add int %tmp.11, %tmp.5               ; <int> [#uses=1]
-       %tmp.15 = add int %tmp.13, %tmp.7               ; <int> [#uses=1]
-       store int %tmp.15, int* %a3
-       %tmp.18 = add int %tmp.3, %tmp.5                ; <int> [#uses=1]
-       %tmp.20 = add int %tmp.18, %tmp.7               ; <int> [#uses=1]
-       store int %tmp.20, int* %a2
-       %tmp.23 = add int %tmp.5, %tmp.7                ; <int> [#uses=1]
-       store int %tmp.23, int* %a1
-       ret void
-}
-
-void %test2() {
-       %tmp.0 = load int* %a4          ; <int> [#uses=1]
-       %tmp.1 = load int* %a3          ; <int> [#uses=2]
-       %tmp.2 = add int %tmp.0, %tmp.1         ; <int> [#uses=1]
-       %tmp.3 = load int* %a2          ; <int> [#uses=3]
-       %tmp.4 = add int %tmp.2, %tmp.3         ; <int> [#uses=1]
-       %tmp.5 = load int* %a1          ; <int> [#uses=4]
-       %tmp.6 = add int %tmp.4, %tmp.5         ; <int> [#uses=1]
-       %tmp.7 = load int* %a0          ; <int> [#uses=4]
-       %tmp.8 = add int %tmp.6, %tmp.7         ; <int> [#uses=1]
-       store int %tmp.8, int* %b4
-       %tmp.11 = add int %tmp.1, %tmp.3                ; <int> [#uses=1]
-       %tmp.13 = add int %tmp.11, %tmp.5               ; <int> [#uses=1]
-       %tmp.15 = add int %tmp.13, %tmp.7               ; <int> [#uses=1]
-       store int %tmp.15, int* %b3
-       %tmp.18 = add int %tmp.3, %tmp.5                ; <int> [#uses=1]
-       %tmp.20 = add int %tmp.18, %tmp.7               ; <int> [#uses=1]
-       store int %tmp.20, int* %b2
-       %tmp.23 = add int %tmp.5, %tmp.7                ; <int> [#uses=1]
-       store int %tmp.23, int* %b1
-       ret void
-}

diff --git a/test/Transforms/TailCallElim/tail_call_with_branch.ll b/test/Transforms/TailCallElim/tail_call_with_branch.ll
deleted file mode 100644 (file)
index b373455..0000000
--- a/test/Transforms/TailCallElim/tail_call_with_branch.ll
+++ /dev/null
@@ -1,31 +0,0 @@
-; This testcase is due to tail-duplication not wanting to copy the return
-; instruction into the terminating blocks because there was other code
-; optimized out of the function after the taildup happened.
-; XFAIL: *
-; RUN: llvm-upgrade < %s | llvm-as | opt -tailcallelim | llvm-dis | not grep call
-
-int %t4(int %a) {
-entry:
-        %tmp.1 = and int %a, 1
-        %tmp.2 = cast int %tmp.1 to bool
-        br bool %tmp.2, label %then.0, label %else.0
-
-then.0:
-        %tmp.5 = add int %a, -1
-        %tmp.3 = call int %t4( int %tmp.5 )
-        br label %return
-
-else.0:
-        %tmp.7 = setne int %a, 0
-        br bool %tmp.7, label %then.1, label %return
-
-then.1:
-        %tmp.11 = add int %a, -2
-        %tmp.9 = call int %t4( int %tmp.11 )
-        br label %return
-
-return:
-        %result.0 = phi int [ 0, %else.0 ], [ %tmp.3, %then.0 ], [ %tmp.9, %then.1 ]
-        ret int %result.0
-}
-