1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt %s -instcombine -S | FileCheck %s
4 @wyhash64_x = global i64 0, align 8
6 define i64 @_Z8wyhash64v() {
7 ; CHECK-LABEL: @_Z8wyhash64v(
8 ; CHECK-NEXT: [[TMP1:%.*]] = load i64, i64* @wyhash64_x, align 8
9 ; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[TMP1]], 6971258582664805397
10 ; CHECK-NEXT: store i64 [[TMP2]], i64* @wyhash64_x, align 8
11 ; CHECK-NEXT: [[TMP3:%.*]] = zext i64 [[TMP2]] to i128
12 ; CHECK-NEXT: [[TMP4:%.*]] = mul nuw i128 [[TMP3]], 11795372955171141389
13 ; CHECK-NEXT: [[TMP5:%.*]] = lshr i128 [[TMP4]], 64
14 ; CHECK-NEXT: [[DOTMASKED:%.*]] = and i128 [[TMP4]], 18446744073709551615
15 ; CHECK-NEXT: [[TMP6:%.*]] = xor i128 [[TMP5]], [[DOTMASKED]]
16 ; CHECK-NEXT: [[TMP7:%.*]] = mul nuw nsw i128 [[TMP6]], 1946526487930394057
17 ; CHECK-NEXT: [[TMP8:%.*]] = lshr i128 [[TMP7]], 64
18 ; CHECK-NEXT: [[TMP9:%.*]] = xor i128 [[TMP8]], [[TMP7]]
19 ; CHECK-NEXT: [[TMP10:%.*]] = trunc i128 [[TMP9]] to i64
20 ; CHECK-NEXT: ret i64 [[TMP10]]
22 %1 = load i64, i64* @wyhash64_x, align 8
23 %2 = add i64 %1, 6971258582664805397
24 store i64 %2, i64* @wyhash64_x, align 8
25 %3 = zext i64 %2 to i128
26 %4 = mul i128 %3, 11795372955171141389
29 %7 = trunc i128 %6 to i64
30 %8 = zext i64 %7 to i128
31 %9 = mul i128 %8, 1946526487930394057
32 %10 = lshr i128 %9, 64
33 %11 = xor i128 %10, %9
34 %12 = trunc i128 %11 to i64