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[InstCombine] Precommit test for #79417. NFC. #79418

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bzEq wants to merge 2 commits into from
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[InstCombine] Precommit test for #79417. NFC. #79418

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85360d6
Add test
Jan 25, 2024
fd884cf
Remove codegen tests
bzEq Jan 26, 2024
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20 changes: 20 additions & 0 deletions llvm/test/Transforms/InstCombine/sub-xor-cmp.ll
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Original file line number Diff line number Diff line change
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define i64 @absdiff(i64 %0, i64 %1) {
; CHECK-LABEL: define i64 @absdiff(
; CHECK-SAME: i64 [[TMP0:%.*]], i64 [[TMP1:%.*]]) {
; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i64 [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = sext i1 [[TMP3]] to i64
; CHECK-NEXT: [[TMP5:%.*]] = sub i64 [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[TMP6:%.*]] = xor i64 [[TMP5]], [[TMP4]]
; CHECK-NEXT: [[TMP7:%.*]] = sub i64 [[TMP6]], [[TMP4]]
; CHECK-NEXT: ret i64 [[TMP7]]
;
%3 = icmp ult i64 %0, %1
%4 = sext i1 %3 to i64
%5 = sub i64 %0, %1
%6 = xor i64 %5, %4
%7 = sub i64 %6, %4
ret i64 %7
}