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-rw-r--r--llvm/test/Transforms/InstCombine/demorgan-zext.ll81
1 files changed, 0 insertions, 81 deletions
diff --git a/llvm/test/Transforms/InstCombine/demorgan-zext.ll b/llvm/test/Transforms/InstCombine/demorgan-zext.ll
deleted file mode 100644
index d537730ba9a..00000000000
--- a/llvm/test/Transforms/InstCombine/demorgan-zext.ll
+++ /dev/null
@@ -1,81 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-; PR22723: Recognize De Morgan's Laws when obfuscated by zexts.
-
-define i32 @demorgan_or(i1 %X, i1 %Y) {
-; CHECK-LABEL: @demorgan_or(
-; CHECK-NEXT: [[OR1_DEMORGAN:%.*]] = and i1 %X, %Y
-; CHECK-NEXT: [[OR1:%.*]] = xor i1 [[OR1_DEMORGAN]], true
-; CHECK-NEXT: [[OR:%.*]] = zext i1 [[OR:%.*]]1 to i32
-; CHECK-NEXT: ret i32 [[OR]]
-;
- %zextX = zext i1 %X to i32
- %zextY = zext i1 %Y to i32
- %notX = xor i32 %zextX, 1
- %notY = xor i32 %zextY, 1
- %or = or i32 %notX, %notY
- ret i32 %or
-}
-
-define i32 @demorgan_and(i1 %X, i1 %Y) {
-; CHECK-LABEL: @demorgan_and(
-; CHECK-NEXT: [[AND1_DEMORGAN:%.*]] = or i1 %X, %Y
-; CHECK-NEXT: [[AND1:%.*]] = xor i1 [[AND1_DEMORGAN]], true
-; CHECK-NEXT: [[AND:%.*]] = zext i1 [[AND:%.*]]1 to i32
-; CHECK-NEXT: ret i32 [[AND]]
-;
- %zextX = zext i1 %X to i32
- %zextY = zext i1 %Y to i32
- %notX = xor i32 %zextX, 1
- %notY = xor i32 %zextY, 1
- %and = and i32 %notX, %notY
- ret i32 %and
-}
-
-define <2 x i32> @demorgan_or_vec(<2 x i1> %X, <2 x i1> %Y) {
-; CHECK-LABEL: @demorgan_or_vec(
-; CHECK-NEXT: [[OR1_DEMORGAN:%.*]] = and <2 x i1> %X, %Y
-; CHECK-NEXT: [[OR1:%.*]] = xor <2 x i1> [[OR1_DEMORGAN]], <i1 true, i1 true>
-; CHECK-NEXT: [[OR:%.*]] = zext <2 x i1> [[OR:%.*]]1 to <2 x i32>
-; CHECK-NEXT: ret <2 x i32> [[OR]]
-;
- %zextX = zext <2 x i1> %X to <2 x i32>
- %zextY = zext <2 x i1> %Y to <2 x i32>
- %notX = xor <2 x i32> %zextX, <i32 1, i32 1>
- %notY = xor <2 x i32> %zextY, <i32 1, i32 1>
- %or = or <2 x i32> %notX, %notY
- ret <2 x i32> %or
-}
-
-define <2 x i32> @demorgan_and_vec(<2 x i1> %X, <2 x i1> %Y) {
-; CHECK-LABEL: @demorgan_and_vec(
-; CHECK-NEXT: [[AND1_DEMORGAN:%.*]] = or <2 x i1> %X, %Y
-; CHECK-NEXT: [[AND1:%.*]] = xor <2 x i1> [[AND1_DEMORGAN]], <i1 true, i1 true>
-; CHECK-NEXT: [[AND:%.*]] = zext <2 x i1> [[AND:%.*]]1 to <2 x i32>
-; CHECK-NEXT: ret <2 x i32> [[AND]]
-;
- %zextX = zext <2 x i1> %X to <2 x i32>
- %zextY = zext <2 x i1> %Y to <2 x i32>
- %notX = xor <2 x i32> %zextX, <i32 1, i32 1>
- %notY = xor <2 x i32> %zextY, <i32 1, i32 1>
- %and = and <2 x i32> %notX, %notY
- ret <2 x i32> %and
-}
-
-define i32 @PR28476(i32 %x, i32 %y) {
-; CHECK-LABEL: @PR28476(
-; CHECK-NEXT: [[NOTLHS:%.*]] = icmp eq i32 %x, 0
-; CHECK-NEXT: [[NOTRHS:%.*]] = icmp eq i32 %y, 0
-; CHECK-NEXT: [[TMP1:%.*]] = or i1 [[NOTRHS]], [[NOTLHS]]
-; CHECK-NEXT: [[COND:%.*]] = zext i1 [[TMP1]] to i32
-; CHECK-NEXT: ret i32 [[COND]]
-;
- %cmp0 = icmp ne i32 %x, 0
- %cmp1 = icmp ne i32 %y, 0
- %and = and i1 %cmp0, %cmp1
- %zext = zext i1 %and to i32
- %cond = xor i32 %zext, 1
- ret i32 %cond
-}
-
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