1; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -frame-pointer=non-leaf -disable-post-ra < %s | FileCheck %s 2declare void @use_addr(ptr) 3 4@addr = global ptr null 5 6define void @test_bigframe() { 7; CHECK-LABEL: test_bigframe: 8; CHECK: .cfi_startproc 9 10 %var1 = alloca i8, i32 20000000 11 %var2 = alloca i8, i32 16 12 %var3 = alloca i8, i32 20000000 13 14; CHECK: sub sp, sp, #4095, lsl #12 // =16773120 15; CHECK-NEXT: sub sp, sp, #4095, lsl #12 // =16773120 16; CHECK-NEXT: sub sp, sp, #1575, lsl #12 // =6451200 17; CHECK-NEXT: sub sp, sp, #2576 18; CHECK-NEXT: .cfi_def_cfa_offset 40000032 19 20; CHECK: add [[TMP:x[0-9]+]], sp, #4095, lsl #12 21; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #787, lsl #12 22; CHECK: add {{x[0-9]+}}, [[TMP1]], #3344 23 store volatile ptr %var1, ptr @addr 24 25 %var1plus2 = getelementptr i8, ptr %var1, i32 2 26 store volatile ptr %var1plus2, ptr @addr 27 28; CHECK: add [[TMP:x[0-9]+]], sp, #4095, lsl #12 29; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #787, lsl #12 30; CHECK: add {{x[0-9]+}}, [[TMP1]], #3328 31 store volatile ptr %var2, ptr @addr 32 33 %var2plus2 = getelementptr i8, ptr %var2, i32 2 34 store volatile ptr %var2plus2, ptr @addr 35 36 store volatile ptr %var3, ptr @addr 37 38 %var3plus2 = getelementptr i8, ptr %var3, i32 2 39 store volatile ptr %var3plus2, ptr @addr 40 41; CHECK: add sp, sp, #4095, lsl #12 42; CHECK: add sp, sp, #4095, lsl #12 43; CHECK: add sp, sp, #1575, lsl #12 44; CHECK: add sp, sp, #2576 45; CHECK: .cfi_endproc 46 ret void 47} 48 49define void @test_mediumframe() { 50; CHECK-LABEL: test_mediumframe: 51 %var1 = alloca i8, i32 1000000 52 %var2 = alloca i8, i32 16 53 %var3 = alloca i8, i32 1000000 54 55; CHECK: sub sp, sp, #488, lsl #12 // =1998848 56; CHECK-NEXT: sub sp, sp, #1168 57; CHECK-NEXT: .cfi_def_cfa_offset 2000032 58 59 store volatile ptr %var1, ptr @addr 60; CHECK: add [[VAR1ADDR:x[0-9]+]], sp, #244, lsl #12 61; CHECK: add [[VAR1ADDR]], [[VAR1ADDR]], #592 62 63; CHECK: add [[VAR2ADDR:x[0-9]+]], sp, #244, lsl #12 64; CHECK: add [[VAR2ADDR]], [[VAR2ADDR]], #576 65 66 store volatile ptr %var2, ptr @addr 67; CHECK: add sp, sp, #488, lsl #12 68; CHECK: add sp, sp, #1168 69 ret void 70} 71