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-rw-r--r--llvm/test/Transforms/InstCombine/apint-and-or-and.ll50
1 files changed, 0 insertions, 50 deletions
diff --git a/llvm/test/Transforms/InstCombine/apint-and-or-and.ll b/llvm/test/Transforms/InstCombine/apint-and-or-and.ll
deleted file mode 100644
index 43536d72e9b..00000000000
--- a/llvm/test/Transforms/InstCombine/apint-and-or-and.ll
+++ /dev/null
@@ -1,50 +0,0 @@
-; If we have an 'and' of the result of an 'or', and one of the 'or' operands
-; cannot have contributed any of the resultant bits, delete the or. This
-; occurs for very common C/C++ code like this:
-;
-; struct foo { int A : 16; int B : 16; };
-; void test(struct foo *F, int X, int Y) {
-; F->A = X; F->B = Y;
-; }
-;
-; Which corresponds to test1.
-;
-; This tests arbitrary precision integers.
-
-; RUN: opt < %s -instcombine -S | not grep "or "
-; END.
-
-define i17 @test1(i17 %X, i17 %Y) {
- %A = and i17 %X, 7
- %B = and i17 %Y, 8
- %C = or i17 %A, %B
- %D = and i17 %C, 7 ;; This cannot include any bits from %Y!
- ret i17 %D
-}
-
-define i49 @test3(i49 %X, i49 %Y) {
- %B = shl i49 %Y, 1
- %C = or i49 %X, %B
- %D = and i49 %C, 1 ;; This cannot include any bits from %Y!
- ret i49 %D
-}
-
-define i67 @test4(i67 %X, i67 %Y) {
- %B = lshr i67 %Y, 66
- %C = or i67 %X, %B
- %D = and i67 %C, 2 ;; This cannot include any bits from %Y!
- ret i67 %D
-}
-
-define i231 @or_test1(i231 %X, i231 %Y) {
- %A = and i231 %X, 1
- %B = or i231 %A, 1 ;; This cannot include any bits from X!
- ret i231 %B
-}
-
-define i7 @or_test2(i7 %X, i7 %Y) {
- %A = shl i7 %X, 6
- %B = or i7 %A, 64 ;; This cannot include any bits from X!
- ret i7 %B
-}
-
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