1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=arm64_32-apple-ios %s -aarch64-enable-sink-fold=true -o - | FileCheck %s
4 ; If %base < 96 then the sum will not wrap (in an unsigned sense), but "ldr w0,
6 define i32 @test_valid_wrap(i32 %base) {
7 ; CHECK-LABEL: test_valid_wrap:
9 ; CHECK-NEXT: sub w8, w0, #96
10 ; CHECK-NEXT: ldr w0, [x8]
13 %newaddr = add nuw i32 %base, -96
14 %ptr = inttoptr i32 %newaddr to ptr
15 %val = load i32, ptr %ptr
19 define i8 @test_valid_wrap_optimizable(ptr %base) {
20 ; CHECK-LABEL: test_valid_wrap_optimizable:
22 ; CHECK-NEXT: ldurb w0, [x0, #-96]
25 %newaddr = getelementptr inbounds i8, ptr %base, i32 -96
26 %val = load i8, ptr %newaddr
30 define i8 @test_valid_wrap_optimizable1(ptr %base, i32 %offset) {
31 ; CHECK-LABEL: test_valid_wrap_optimizable1:
33 ; CHECK-NEXT: ldrb w0, [x0, w1, sxtw]
36 %newaddr = getelementptr inbounds i8, ptr %base, i32 %offset
37 %val = load i8, ptr %newaddr
42 define i8 @test_valid_wrap_optimizable2(ptr %base, i32 %offset) {
43 ; CHECK-LABEL: test_valid_wrap_optimizable2:
45 ; CHECK-NEXT: mov w8, #-100 ; =0xffffff9c
46 ; CHECK-NEXT: ; kill: def $w1 killed $w1 def $x1
47 ; CHECK-NEXT: ldrb w0, [x8, w1, sxtw]
50 %newaddr = getelementptr inbounds i8, ptr inttoptr(i32 -100 to ptr), i32 %offset
51 %val = load i8, ptr %newaddr