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-; 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
-}