[InstCombine] regenerate test checks; NFC

Author: rotateright

llvm/test/Transforms/InstCombine/zext-or-icmp.ll

@@ -1,28 +1,45 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 
 ; Remove an icmp by using its operand in the subsequent logic directly.
 
 define i8 @zext_or_icmp_icmp(i8 %a, i8 %b) {
+; CHECK-LABEL: @zext_or_icmp_icmp(
+; CHECK-NEXT:    [[MASK:%.*]] = and i8 [[A:%.*]], 1
+; CHECK-NEXT:    [[TOBOOL2:%.*]] = icmp eq i8 [[B:%.*]], 0
+; CHECK-NEXT:    [[TOBOOL22:%.*]] = zext i1 [[TOBOOL2]] to i8
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i8 [[MASK]], 1
+; CHECK-NEXT:    [[ZEXT3:%.*]] = or i8 [[TMP1]], [[TOBOOL22]]
+; CHECK-NEXT:    ret i8 [[ZEXT3]]
+;
   %mask = and i8 %a, 1
   %toBool1 = icmp eq i8 %mask, 0
   %toBool2 = icmp eq i8 %b, 0
   %bothCond = or i1 %toBool1, %toBool2
   %zext = zext i1 %bothCond to i8
   ret i8 %zext
-
-; CHECK-LABEL: zext_or_icmp_icmp(
-; CHECK-NEXT:    %mask = and i8 %a, 1
-; CHECK-NEXT:    %toBool2 = icmp eq i8 %b, 0
-; CHECK-NEXT:    %toBool22 = zext i1 %toBool2 to i8
-; CHECK-NEXT:    %1 = xor i8 %mask, 1
-; CHECK-NEXT:    %zext3 = or i8 %1, %toBool22
-; CHECK-NEXT:    ret i8 %zext
 }
 
 ; Here, widening the or from i1 to i32 and removing one of the icmps would
 ; widen an undef value (created by the out-of-range shift), increasing the
 ; range of valid values for the return, so we can't do it.
+
 define i32 @dont_widen_undef() {
+; CHECK-LABEL: @dont_widen_undef(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[BLOCK2:%.*]]
+; CHECK:       block1:
+; CHECK-NEXT:    br label [[BLOCK2]]
+; CHECK:       block2:
+; CHECK-NEXT:    [[CMP_I:%.*]] = phi i1 [ false, [[BLOCK1:%.*]] ], [ true, [[ENTRY:%.*]] ]
+; CHECK-NEXT:    [[M_011:%.*]] = phi i32 [ 0, [[BLOCK1]] ], [ 33, [[ENTRY]] ]
+; CHECK-NEXT:    [[M_1_OP:%.*]] = lshr i32 1, [[M_011]]
+; CHECK-NEXT:    [[SEXT_MASK:%.*]] = and i32 [[M_1_OP]], 65535
+; CHECK-NEXT:    [[CMP115:%.*]] = icmp ne i32 [[SEXT_MASK]], 0
+; CHECK-NEXT:    [[CMP1:%.*]] = or i1 [[CMP_I]], [[CMP115]]
+; CHECK-NEXT:    [[CONV2:%.*]] = zext i1 [[CMP1]] to i32
+; CHECK-NEXT:    ret i32 [[CONV2]]
+;
 entry:
   br label %block2
 
@@ -38,14 +55,4 @@ block2:
   %cmp1 = or i1 %cmp.i, %cmp115
   %conv2 = zext i1 %cmp1 to i32
   ret i32 %conv2
-
-; CHECK-LABEL: dont_widen_undef(
-; CHECK:         %cmp.i = phi i1 [ false, %block1 ], [ true, %entry ]
-; CHECK-NEXT:    %m.011 = phi i32 [ 0, %block1 ], [ 33, %entry ]
-; CHECK-NEXT:    %m.1.op = lshr i32 1, %m.011
-; CHECK-NEXT:    %sext.mask = and i32 %m.1.op, 65535
-; CHECK-NEXT:    %cmp115 = icmp ne i32 %sext.mask, 0
-; CHECK-NEXT:    %cmp1 = or i1 %cmp.i, %cmp115
-; CHECK-NEXT:    %conv2 = zext i1 %cmp1 to i32
-; CHECK-NEXT:    ret i32 %conv2
 }