| ; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -frame-pointer=non-leaf -disable-post-ra < %s | FileCheck %s |
| declare void @use_addr(ptr) |
| |
| @addr = global ptr null |
| |
| define void @test_bigframe() { |
| ; CHECK-LABEL: test_bigframe: |
| ; CHECK: .cfi_startproc |
| |
| %var1 = alloca i8, i32 20000000 |
| %var2 = alloca i8, i32 16 |
| %var3 = alloca i8, i32 20000000 |
| |
| ; CHECK: sub sp, sp, #4095, lsl #12 // =16773120 |
| ; CHECK-NEXT: sub sp, sp, #4095, lsl #12 // =16773120 |
| ; CHECK-NEXT: sub sp, sp, #1575, lsl #12 // =6451200 |
| ; CHECK-NEXT: sub sp, sp, #2576 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 40000032 |
| |
| ; CHECK: add [[TMP:x[0-9]+]], sp, #4095, lsl #12 |
| ; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #787, lsl #12 |
| ; CHECK: add {{x[0-9]+}}, [[TMP1]], #3344 |
| store volatile ptr %var1, ptr @addr |
| |
| %var1plus2 = getelementptr i8, ptr %var1, i32 2 |
| store volatile ptr %var1plus2, ptr @addr |
| |
| ; CHECK: add [[TMP:x[0-9]+]], sp, #4095, lsl #12 |
| ; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #787, lsl #12 |
| ; CHECK: add {{x[0-9]+}}, [[TMP1]], #3328 |
| store volatile ptr %var2, ptr @addr |
| |
| %var2plus2 = getelementptr i8, ptr %var2, i32 2 |
| store volatile ptr %var2plus2, ptr @addr |
| |
| store volatile ptr %var3, ptr @addr |
| |
| %var3plus2 = getelementptr i8, ptr %var3, i32 2 |
| store volatile ptr %var3plus2, ptr @addr |
| |
| ; CHECK: add sp, sp, #4095, lsl #12 |
| ; CHECK: add sp, sp, #4095, lsl #12 |
| ; CHECK: add sp, sp, #1575, lsl #12 |
| ; CHECK: add sp, sp, #2576 |
| ; CHECK: .cfi_endproc |
| ret void |
| } |
| |
| define void @test_mediumframe() { |
| ; CHECK-LABEL: test_mediumframe: |
| %var1 = alloca i8, i32 1000000 |
| %var2 = alloca i8, i32 16 |
| %var3 = alloca i8, i32 1000000 |
| |
| ; CHECK: sub sp, sp, #488, lsl #12 // =1998848 |
| ; CHECK-NEXT: sub sp, sp, #1168 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 2000032 |
| |
| store volatile ptr %var1, ptr @addr |
| ; CHECK: add [[VAR1ADDR:x[0-9]+]], sp, #244, lsl #12 |
| ; CHECK: add [[VAR1ADDR]], [[VAR1ADDR]], #592 |
| |
| ; CHECK: add [[VAR2ADDR:x[0-9]+]], sp, #244, lsl #12 |
| ; CHECK: add [[VAR2ADDR]], [[VAR2ADDR]], #576 |
| |
| store volatile ptr %var2, ptr @addr |
| ; CHECK: add sp, sp, #488, lsl #12 |
| ; CHECK: add sp, sp, #1168 |
| ret void |
| } |