1 # RUN: llc -mtriple=aarch64-none-linux-gnu -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s 2 3 --- | 4 5 @var_i32 = global i32 42 6 @var_i64 = global i64 0 7 8 define void @sub_small() { 9 entry: 10 %val32 = load i32, i32* @var_i32 11 %newval32 = sub i32 %val32, 4095 12 store i32 %newval32, i32* @var_i32 13 %val64 = load i64, i64* @var_i64 14 %newval64 = sub i64 %val64, 52 15 store i64 %newval64, i64* @var_i64 16 ret void 17 } 18 19 ... 20 --- 21 name: sub_small 22 body: | 23 bb.0.entry: 24 ; CHECK: %x8 = ADRP target-flags(aarch64-page) @var_i32 25 ; CHECK-NEXT: %x9 = ADRP target-flags(aarch64-page) @var_i64 26 ; CHECK-NEXT: %w10 = LDRWui %x8, target-flags(aarch64-pageoff, aarch64-nc) @var_i32 27 ; CHECK-NEXT: %x11 = LDRXui %x9, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @var_i64 28 ; CHECK: STRWui killed %w10, killed %x8, target-flags(aarch64-nc) @var_i32 29 ; CHECK: STRXui killed %x11, killed %x9, target-flags(aarch64-pageoff, aarch64-nc) @var_i64 30 %x8 = ADRP target-flags(aarch64-page) @var_i32 31 %x9 = ADRP target-flags(aarch64-page) @var_i64 32 %w10 = LDRWui %x8, target-flags(aarch64-pageoff, aarch64-nc) @var_i32 33 %x11 = LDRXui %x9, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @var_i64 34 %w10 = SUBWri killed %w10, 4095, 0 35 %x11 = SUBXri killed %x11, 52, 0 36 STRWui killed %w10, killed %x8, target-flags(aarch64-nc) @var_i32 37 STRXui killed %x11, killed %x9, target-flags(aarch64-pageoff, aarch64-nc) @var_i64 38 RET_ReallyLR 39 ... 40
