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