Author: Simon Pilgrim Date: 2021-01-14T15:46:26Z New Revision: d0dbb0468c26bafa88e7340781fb3a0a79379470
URL: https://github.com/llvm/llvm-project/commit/d0dbb0468c26bafa88e7340781fb3a0a79379470 DIFF: https://github.com/llvm/llvm-project/commit/d0dbb0468c26bafa88e7340781fb3a0a79379470.diff LOG: [Support] Remove redundant sign bit tests from KnownBits::getSignedMinValue/getSignedMaxValue As noted by @foad on rG6895581fd2c1 Added: Modified: llvm/include/llvm/Support/KnownBits.h Removed: ################################################################################ diff --git a/llvm/include/llvm/Support/KnownBits.h b/llvm/include/llvm/Support/KnownBits.h index edb771d659e2..d854aadbd430 100644 --- a/llvm/include/llvm/Support/KnownBits.h +++ b/llvm/include/llvm/Support/KnownBits.h @@ -125,7 +125,7 @@ struct KnownBits { // Assume that all bits that aren't known-ones are zeros. APInt Min = One; // Sign bit is unknown. - if (Zero.isSignBitClear() && One.isSignBitClear()) + if (Zero.isSignBitClear()) Min.setSignBit(); return Min; } @@ -141,7 +141,7 @@ struct KnownBits { // Assume that all bits that aren't known-zeros are ones. APInt Max = ~Zero; // Sign bit is unknown. - if (Zero.isSignBitClear() && One.isSignBitClear()) + if (One.isSignBitClear()) Max.clearSignBit(); return Max; } _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
