1 ; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -disable-fp-elim -disable-post-ra < %s | FileCheck %s 2 declare void @use_addr(i8*) 3 4 @addr = global i8* null 5 6 define 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 50 define 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
