[llvm] [InstCombine] Remove some of the complexity-based canonicalization (PR #91185)

[via llvm-commits]

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@@ -1930,15 +1930,15 @@ bb4:
 define i32 @test_chr_21(i64 %i, i64 %k, i64 %j) !prof !14 {
 ; CHECK-LABEL: @test_chr_21(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[J_FR:%.*]] = freeze i64 [[J:%.*]]
 ; CHECK-NEXT:    [[I_FR:%.*]] = freeze i64 [[I:%.*]]
-; CHECK-NEXT:    [[CMP0:%.*]] = icmp ne i64 [[J_FR]], [[K:%.*]]
+; CHECK-NEXT:    [[CMP0:%.*]] = icmp ne i64 [[J:%.*]], [[K:%.*]]
 ; CHECK-NEXT:    [[TMP0:%.*]] = freeze i1 [[CMP0]]
-; CHECK-NEXT:    [[CMP3:%.*]] = icmp ne i64 [[I_FR]], [[J_FR]]
+; CHECK-NEXT:    [[CMP3:%.*]] = icmp ne i64 [[J]], [[I_FR]]
 ; CHECK-NEXT:    [[CMP_I:%.*]] = icmp ne i64 [[I_FR]], 86
-; CHECK-NEXT:    [[TMP1:%.*]] = and i1 [[TMP0]], [[CMP3]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[CMP_I]]
-; CHECK-NEXT:    br i1 [[TMP2]], label [[BB1:%.*]], label [[ENTRY_SPLIT_NONCHR:%.*]], !prof [[PROF15]]
+; CHECK-NEXT:    [[TMP1:%.*]] = freeze i1 [[CMP3]]
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goldsteinn wrote:

This looks a bit suspect.

https://github.com/llvm/llvm-project/pull/91185