Rename test

Author: abhishek-kaushik22

llvm/test/Transforms/InstCombine/pr125228.ll renamed to llvm/test/Transforms/InstCombine/bitcast-known-bits.ll

@@ -1,6 +1,8 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
 ; RUN: opt < %s -passes=instcombine -S | FileCheck %s
 
+; PR125228
+
 define <16 x i8> @knownbits_bitcast_masked_shift(<16 x i8> %arg) {
 ; CHECK-LABEL: define <16 x i8> @knownbits_bitcast_masked_shift(
 ; CHECK-SAME: <16 x i8> [[ARG:%.*]]) {
@@ -17,7 +19,6 @@ define <16 x i8> @knownbits_bitcast_masked_shift(<16 x i8> %arg) {
 ; CHECK-NEXT:    [[BITCAST6:%.*]] = bitcast <8 x i16> [[SHL5]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST6]]
 ;
-
   %bitcast = bitcast <16 x i8> %arg to <8 x i16>
   %lshr = lshr <8 x i16> %bitcast, splat (i16 4)
   %bitcast1 = bitcast <8 x i16> %lshr to <16 x i8>
@@ -51,7 +52,6 @@ define <16 x i8> @knownbits_shuffle_bitcast_masked_shift(<8 x i16> %arg) {
 ; CHECK-NEXT:    [[BITCAST7:%.*]] = bitcast <8 x i16> [[SHL6]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST7]]
 ;
-
   %bitcast = bitcast <8 x i16> %arg to <16 x i8>
   %shufflevector = shufflevector <16 x i8> %bitcast, <16 x i8> poison, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
   %bitcast1 = bitcast <16 x i8> %shufflevector to <8 x i16>
@@ -80,7 +80,6 @@ define <16 x i8> @knownbits_shuffle_masked_nibble_shift(<8 x i16> %arg) {
 ; CHECK-NEXT:    [[BITCAST2:%.*]] = bitcast <8 x i16> [[SHL]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST2]]
 ;
-
   %bitcast = bitcast <8 x i16> %arg to <16 x i8>
   %and = and <16 x i8> %bitcast, splat (i8 15)
   %shufflevector = shufflevector <16 x i8> %and, <16 x i8> poison, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
@@ -102,7 +101,6 @@ define <16 x i8> @knownbits_reverse_shuffle_masked_shift(<8 x i16> %arg) {
 ; CHECK-NEXT:    [[BITCAST2:%.*]] = bitcast <8 x i16> [[SHL]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST2]]
 ;
-
   %bitcast = bitcast <8 x i16> %arg to <16 x i8>
   %and = and <16 x i8> %bitcast, splat (i8 15)
   %shufflevector = shufflevector <16 x i8> %and, <16 x i8> poison, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
@@ -123,7 +121,6 @@ define <16 x i8> @knownbits_interleave_mul_extract_bit(<16 x i8> %arg) {
 ; CHECK-NEXT:    [[BITCAST1:%.*]] = bitcast <8 x i16> [[LSHR]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST1]]
 ;
-
   %shufflevector = shufflevector <16 x i8> %arg, <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison, i8 poison>, <16 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23>
   %bitcast = bitcast <16 x i8> %shufflevector to <8 x i16>
   %mul = mul nuw <8 x i16> %bitcast, <i16 171, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>
@@ -151,7 +148,6 @@ define <16 x i8> @knownbits_reverse_shuffle_masked_ops(<8 x i16> %arg) {
 ; CHECK-NEXT:    [[BITCAST7:%.*]] = bitcast <8 x i16> [[SHL6]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST7]]
 ;
-
   %bitcast = bitcast <8 x i16> %arg to <16 x i8>
   %shufflevector = shufflevector <16 x i8> %bitcast, <16 x i8> poison, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
   %bitcast1 = bitcast <16 x i8> %shufflevector to <8 x i16>
@@ -187,7 +183,6 @@ define <16 x i8> @knownbits_v4i32_to_v16i8_shuffle_masked_pipeline(<4 x i32> %ar
 ; CHECK-NEXT:    [[BITCAST7:%.*]] = bitcast <8 x i16> [[SHL6]] to <16 x i8>
 ; CHECK-NEXT:    ret <16 x i8> [[BITCAST7]]
 ;
-
   %bitcast = bitcast <4 x i32> %arg to <16 x i8>
   %shufflevector = shufflevector <16 x i8> %bitcast, <16 x i8> poison, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
   %bitcast1 = bitcast <16 x i8> %shufflevector to <8 x i16>
@@ -224,7 +219,6 @@ define { i32, i1 } @knownbits_popcount_add_with_overflow(i32 %arg, i32 %arg1, i3
 ; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { i32, i1 } { i32 poison, i1 false }, i32 [[CALL12]], 0
 ; CHECK-NEXT:    ret { i32, i1 } [[TMP1]]
 ;
-
   %insertelement = insertelement <4 x i32> poison, i32 %arg2, i64 0
   %insertelement4 = insertelement <4 x i32> %insertelement, i32 %arg3, i64 1
   %bitcast = bitcast <4 x i32> %insertelement4 to <2 x i64>
@@ -259,10 +253,9 @@ define <16 x i8> @knownbits_shuffle_add_shift_v32i8(<32 x i8> %arg, <32 x i8> %a
 ; CHECK-NEXT:    [[SHL10:%.*]] = shl <8 x i16> [[SHUFFLEVECTOR9]], splat (i16 8)
 ; CHECK-NEXT:    [[BITCAST11:%.*]] = bitcast <8 x i16> [[SHL10]] to <16 x i8>
 ; CHECK-NEXT:    [[ADD12:%.*]] = add <16 x i8> [[BITCAST11]], [[BITCAST7]]
-; CHECK-NEXT:    [[ADD13:%.*]] = add <16 x i8> [[ADD12]], [[BITCAST3]]
-; CHECK-NEXT:    ret <16 x i8> [[ADD13]]
+; CHECK-NEXT:    [[ADD17:%.*]] = add <16 x i8> [[ADD12]], [[BITCAST3]]
+; CHECK-NEXT:    ret <16 x i8> [[ADD17]]
 ;
-
   %shufflevector = shufflevector <32 x i8> %arg, <32 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   %shufflevector2 = shufflevector <32 x i8> %arg, <32 x i8> poison, <16 x i32> <i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   %add = add <16 x i8> %shufflevector, %shufflevector2