summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSanjay Patel <spatel@rotateright.com>2016-07-12 16:17:30 +0000
committerSanjay Patel <spatel@rotateright.com>2016-07-12 16:17:30 +0000
commit93dffe629a4bc1361a1319ee8725c7ac92327de7 (patch)
tree1b49320c752f5b269e1a4e86cd7dde04a8f923b7
parent6d1f227e6b9db0df6412acf330cc74d56add6744 (diff)
downloadbcm5719-llvm-93dffe629a4bc1361a1319ee8725c7ac92327de7.tar.gz
bcm5719-llvm-93dffe629a4bc1361a1319ee8725c7ac92327de7.zip
auto-generate checks
llvm-svn: 275187
-rw-r--r--llvm/test/Transforms/InstCombine/demorgan-zext.ll25
1 files changed, 13 insertions, 12 deletions
diff --git a/llvm/test/Transforms/InstCombine/demorgan-zext.ll b/llvm/test/Transforms/InstCombine/demorgan-zext.ll
index da41fac3e35..f57bd03a0fc 100644
--- a/llvm/test/Transforms/InstCombine/demorgan-zext.ll
+++ b/llvm/test/Transforms/InstCombine/demorgan-zext.ll
@@ -1,34 +1,35 @@
+; 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: [[OR_DEMORGAN:%.*]] = and i1 %X, %Y
+; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[OR_DEMORGAN]] to i32
+; CHECK-NEXT: [[OR:%.*]] = xor i32 [[TMP1]], 1
+; 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
-
-; CHECK-LABEL: demorgan_or(
-; CHECK-NEXT: %[[AND:.*]] = and i1 %X, %Y
-; CHECK-NEXT: %[[ZEXT:.*]] = zext i1 %[[AND]] to i32
-; CHECK-NEXT: %[[XOR:.*]] = xor i32 %[[ZEXT]], 1
-; CHECK-NEXT: ret i32 %[[XOR]]
}
define i32 @demorgan_and(i1 %X, i1 %Y) {
+; CHECK-LABEL: @demorgan_and(
+; CHECK-NEXT: [[AND_DEMORGAN:%.*]] = or i1 %X, %Y
+; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[AND_DEMORGAN]] to i32
+; CHECK-NEXT: [[AND:%.*]] = xor i32 [[TMP1]], 1
+; 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
-
-; CHECK-LABEL: demorgan_and(
-; CHECK-NEXT: %[[OR:.*]] = or i1 %X, %Y
-; CHECK-NEXT: %[[ZEXT:.*]] = zext i1 %[[OR]] to i32
-; CHECK-NEXT: %[[XOR:.*]] = xor i32 %[[ZEXT]], 1
-; CHECK-NEXT: ret i32 %[[XOR]]
}
OpenPOWER on IntegriCloud