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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=arm64_32-apple-ios %s -aarch64-enable-sink-fold=true -o - | FileCheck %s3 4; If %base < 96 then the sum will not wrap (in an unsigned sense), but "ldr w0,5; [x0, #-96]" would.6define i32 @test_valid_wrap(i32 %base) {7; CHECK-LABEL: test_valid_wrap:8; CHECK: ; %bb.0:9; CHECK-NEXT: sub w8, w0, #9610; CHECK-NEXT: ldr w0, [x8]11; CHECK-NEXT: ret12 13 %newaddr = add nuw i32 %base, -9614 %ptr = inttoptr i32 %newaddr to ptr15 %val = load i32, ptr %ptr16 ret i32 %val17}18 19define i8 @test_valid_wrap_optimizable(ptr %base) {20; CHECK-LABEL: test_valid_wrap_optimizable:21; CHECK: ; %bb.0:22; CHECK-NEXT: ldurb w0, [x0, #-96]23; CHECK-NEXT: ret24 25 %newaddr = getelementptr inbounds i8, ptr %base, i32 -9626 %val = load i8, ptr %newaddr27 ret i8 %val28}29 30define i8 @test_valid_wrap_optimizable1(ptr %base, i32 %offset) {31; CHECK-LABEL: test_valid_wrap_optimizable1:32; CHECK: ; %bb.0:33; CHECK-NEXT: ldrb w0, [x0, w1, sxtw]34; CHECK-NEXT: ret35 36 %newaddr = getelementptr inbounds i8, ptr %base, i32 %offset37 %val = load i8, ptr %newaddr38 ret i8 %val39}40 41;42define i8 @test_valid_wrap_optimizable2(ptr %base, i32 %offset) {43; CHECK-LABEL: test_valid_wrap_optimizable2:44; CHECK: ; %bb.0:45; CHECK-NEXT: mov w8, #-100 ; =0xffffff9c46; CHECK-NEXT: ldrb w0, [x8, w1, sxtw]47; CHECK-NEXT: ret48 49 %newaddr = getelementptr inbounds i8, ptr inttoptr(i32 -100 to ptr), i32 %offset50 %val = load i8, ptr %newaddr51 ret i8 %val52}53