1 ; RUN: opt -passes='require<profile-summary>,function(codegenprepare)' -disable-cgp-branch-opts -S < %s | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-unknown-linux-gnu"
5 ; The first cast should be sunk into block2, in order that the
6 ; instruction selector can form an efficient
7 ; ptr i64 -> i128 multiplication.
8 define i128 @sink(ptr %mem1, ptr %mem2) {
12 %l1 = load i64, ptr %mem1
13 %s1 = sext i64 %l1 to i128
20 %l2 = load i64, ptr %mem2
21 %s2 = sext i64 %l2 to i128
22 %res = mul i128 %s1, %s2
26 ; The first cast should be hoisted into block1, in order that the
27 ; instruction selector can form an extend-load.
28 define i64 @hoist(ptr %mem1, ptr %mem2) {
29 ; CHECK-LABEL: block1:
33 %l1 = load i32, ptr %mem1
39 %s1 = sext i32 %l1 to i64
40 %l2 = load i32, ptr %mem2
41 %s2 = sext i32 %l2 to i64
42 %res = mul i64 %s1, %s2
46 ; Make sure the cast sink logic and OptimizeExtUses don't end up in an infinite
48 define i128 @use_ext_source() {
50 %v1 = or i64 undef, undef
51 %v2 = zext i64 %v1 to i128
52 br i1 undef, label %block2, label %block3
56 %v4 = zext i64 %v3 to i128
60 %res = phi i128 [ %v2, %block1 ], [ %v4, %block2 ]