reset variable names

Author: nikic

llvm/test/Transforms/InstCombine/freeze.ll

@@ -100,10 +100,10 @@ define <3 x i4> @partial_undef_vec() {
 
 define i32 @early_freeze_test1(i32 %x, i32 %y) {
 ; CHECK-LABEL: @early_freeze_test1(
-; CHECK-NEXT:    [[V1_FR:%.*]] = freeze i32 [[V1:%.*]]
+; CHECK-NEXT:    [[X_FR:%.*]] = freeze i32 [[X:%.*]]
 ; CHECK-NEXT:    [[Y_FR:%.*]] = freeze i32 [[Y:%.*]]
-; CHECK-NEXT:    [[V4:%.*]] = add i32 [[V1_FR]], [[Y_FR]]
-; CHECK-NEXT:    [[V2:%.*]] = shl i32 [[V4]], 1
+; CHECK-NEXT:    [[V1:%.*]] = add i32 [[X_FR]], [[Y_FR]]
+; CHECK-NEXT:    [[V2:%.*]] = shl i32 [[V1]], 1
 ; CHECK-NEXT:    [[V3:%.*]] = and i32 [[V2]], 2
 ; CHECK-NEXT:    ret i32 [[V3]]
 ;
@@ -145,9 +145,9 @@ define i32 @early_freeze_test3(i32 %v1) {
 
 define i32 @early_freeze_test4(i32 %v1) {
 ; CHECK-LABEL: @early_freeze_test4(
-; CHECK-NEXT:    [[V2_FR:%.*]] = freeze i32 [[V2:%.*]]
-; CHECK-NEXT:    [[V3:%.*]] = mul i32 [[V2_FR]], [[V2_FR]]
-; CHECK-NEXT:    ret i32 [[V3]]
+; CHECK-NEXT:    [[V1_FR:%.*]] = freeze i32 [[V1:%.*]]
+; CHECK-NEXT:    [[V2:%.*]] = mul i32 [[V1_FR]], [[V1_FR]]
+; CHECK-NEXT:    ret i32 [[V2]]
 ;
   %v2 = mul i32 %v1, %v1
   %v2.fr = freeze i32 %v2
@@ -894,14 +894,14 @@ exit:                                             ; preds = %loop
 define void @fold_phi_gep_phi_offset(ptr %init, ptr %end, i64 noundef %n) {
 ; CHECK-LABEL: @fold_phi_gep_phi_offset(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[INIT:%.*]] = freeze ptr [[INIT1:%.*]]
+; CHECK-NEXT:    [[TMP0:%.*]] = freeze ptr [[INIT:%.*]]
 ; CHECK-NEXT:    br label [[LOOP:%.*]]
 ; CHECK:       loop:
-; CHECK-NEXT:    [[I:%.*]] = phi ptr [ [[INIT]], [[ENTRY:%.*]] ], [ [[I_NEXT_FR:%.*]], [[LOOP]] ]
+; CHECK-NEXT:    [[I:%.*]] = phi ptr [ [[TMP0]], [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ]
 ; CHECK-NEXT:    [[OFF:%.*]] = phi i64 [ [[N:%.*]], [[ENTRY]] ], [ [[OFF_NEXT:%.*]], [[LOOP]] ]
 ; CHECK-NEXT:    [[OFF_NEXT]] = shl i64 [[OFF]], 3
-; CHECK-NEXT:    [[I_NEXT_FR]] = getelementptr i8, ptr [[I]], i64 [[OFF_NEXT]]
-; CHECK-NEXT:    [[COND:%.*]] = icmp eq ptr [[I_NEXT_FR]], [[END:%.*]]
+; CHECK-NEXT:    [[I_NEXT]] = getelementptr i8, ptr [[I]], i64 [[OFF_NEXT]]
+; CHECK-NEXT:    [[COND:%.*]] = icmp eq ptr [[I_NEXT]], [[END:%.*]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[LOOP]], label [[EXIT:%.*]]
 ; CHECK:       exit:
 ; CHECK-NEXT:    ret void
@@ -927,14 +927,14 @@ exit:                                             ; preds = %loop
 define void @fold_phi_gep_inbounds_phi_offset(ptr %init, ptr %end, i64 noundef %n) {
 ; CHECK-LABEL: @fold_phi_gep_inbounds_phi_offset(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[INIT:%.*]] = freeze ptr [[INIT1:%.*]]
+; CHECK-NEXT:    [[TMP0:%.*]] = freeze ptr [[INIT:%.*]]
 ; CHECK-NEXT:    br label [[LOOP:%.*]]
 ; CHECK:       loop:
-; CHECK-NEXT:    [[I:%.*]] = phi ptr [ [[INIT]], [[ENTRY:%.*]] ], [ [[I_NEXT_FR:%.*]], [[LOOP]] ]
+; CHECK-NEXT:    [[I:%.*]] = phi ptr [ [[TMP0]], [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ]
 ; CHECK-NEXT:    [[OFF:%.*]] = phi i64 [ [[N:%.*]], [[ENTRY]] ], [ [[OFF_NEXT:%.*]], [[LOOP]] ]
 ; CHECK-NEXT:    [[OFF_NEXT]] = shl i64 [[OFF]], 3
-; CHECK-NEXT:    [[I_NEXT_FR]] = getelementptr i8, ptr [[I]], i64 [[OFF_NEXT]]
-; CHECK-NEXT:    [[COND:%.*]] = icmp eq ptr [[I_NEXT_FR]], [[END:%.*]]
+; CHECK-NEXT:    [[I_NEXT]] = getelementptr i8, ptr [[I]], i64 [[OFF_NEXT]]
+; CHECK-NEXT:    [[COND:%.*]] = icmp eq ptr [[I_NEXT]], [[END:%.*]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[LOOP]], label [[EXIT:%.*]]
 ; CHECK:       exit:
 ; CHECK-NEXT:    ret void

llvm/test/Transforms/InstCombine/nsw.ll

@@ -255,10 +255,10 @@ define i32 @sub_sub1_nsw_nsw(i32 %a, i32 %b, i32 %c) {
 
 define i8 @neg_nsw_freeze(i8 %a1, i8 %a2) {
 ; CHECK-LABEL: @neg_nsw_freeze(
-; CHECK-NEXT:    [[FR_NEG:%.*]] = freeze i8 [[A_NEG:%.*]]
+; CHECK-NEXT:    [[A1_FR:%.*]] = freeze i8 [[A1:%.*]]
 ; CHECK-NEXT:    [[A2_FR:%.*]] = freeze i8 [[A2:%.*]]
-; CHECK-NEXT:    [[A_NEG1:%.*]] = sub i8 [[A2_FR]], [[FR_NEG]]
-; CHECK-NEXT:    ret i8 [[A_NEG1]]
+; CHECK-NEXT:    [[A_NEG:%.*]] = sub i8 [[A2_FR]], [[A1_FR]]
+; CHECK-NEXT:    ret i8 [[A_NEG]]
 ;
   %a = sub nsw i8 %a1, %a2
   %fr = freeze i8 %a