| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt %s -instcombine -S | FileCheck %s |
| |
| @wyhash64_x = global i64 0, align 8 |
| |
| define i64 @_Z8wyhash64v() { |
| ; CHECK-LABEL: @_Z8wyhash64v( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i64, i64* @wyhash64_x, align 8 |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 6971258582664805397 |
| ; CHECK-NEXT: store i64 [[TMP2]], i64* @wyhash64_x, align 8 |
| ; CHECK-NEXT: [[TMP3:%.*]] = zext i64 [[TMP2]] to i128 |
| ; CHECK-NEXT: [[TMP4:%.*]] = mul nuw i128 [[TMP3]], 11795372955171141389 |
| ; CHECK-NEXT: [[TMP5:%.*]] = lshr i128 [[TMP4]], 64 |
| ; CHECK-NEXT: [[DOTMASKED:%.*]] = and i128 [[TMP4]], 18446744073709551615 |
| ; CHECK-NEXT: [[TMP6:%.*]] = xor i128 [[TMP5]], [[DOTMASKED]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = mul nuw nsw i128 [[TMP6]], 1946526487930394057 |
| ; CHECK-NEXT: [[TMP8:%.*]] = lshr i128 [[TMP7]], 64 |
| ; CHECK-NEXT: [[TMP9:%.*]] = xor i128 [[TMP8]], [[TMP7]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = trunc i128 [[TMP9]] to i64 |
| ; CHECK-NEXT: ret i64 [[TMP10]] |
| ; |
| %1 = load i64, i64* @wyhash64_x, align 8 |
| %2 = add i64 %1, 6971258582664805397 |
| store i64 %2, i64* @wyhash64_x, align 8 |
| %3 = zext i64 %2 to i128 |
| %4 = mul i128 %3, 11795372955171141389 |
| %5 = lshr i128 %4, 64 |
| %6 = xor i128 %5, %4 |
| %7 = trunc i128 %6 to i64 |
| %8 = zext i64 %7 to i128 |
| %9 = mul i128 %8, 1946526487930394057 |
| %10 = lshr i128 %9, 64 |
| %11 = xor i128 %10, %9 |
| %12 = trunc i128 %11 to i64 |
| ret i64 %12 |
| } |
