; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOFP %s
declare void @use_addr(i8*)
define void @test_simple_alloca(i64 %n) {
-; CHECK: test_simple_alloca:
+; CHECK-LABEL: test_simple_alloca:
%buf = alloca i8, i64 %n
; Make sure we align the stack change to 16 bytes:
-; CHECK: add [[SPDELTA:x[0-9]+]], x0, #15
-; CHECK: and x0, [[SPDELTA]], #0xfffffffffffffff0
+; CHECK-DAG: add [[SPDELTA:x[0-9]+]], x0, #15
+; CHECK-DAG: and x0, [[SPDELTA]], #0xfffffffffffffff0
; Make sure we change SP. It would be surprising if anything but x0 were used
; for the final sp, but it could be if it was then moved into x0.
-; CHECK: mov [[TMP:x[0-9]+]], sp
-; CHECK: sub x0, [[TMP]], [[SPDELTA]]
+; CHECK-DAG: mov [[TMP:x[0-9]+]], sp
+; CHECK-DAG: sub x0, [[TMP]], [[SPDELTA]]
; CHECK: mov sp, x0
call void @use_addr(i8* %buf)
declare void @use_addr_loc(i8*, i64*)
define i64 @test_alloca_with_local(i64 %n) {
-; CHECK: test_alloca_with_local:
+; CHECK-LABEL: test_alloca_with_local:
; CHECK: sub sp, sp, #32
; CHECK: stp x29, x30, [sp, #16]
%loc = alloca i64
%buf = alloca i8, i64 %n
; Make sure we align the stack change to 16 bytes:
-; CHECK: add [[SPDELTA:x[0-9]+]], x0, #15
-; CHECK: and x0, [[SPDELTA]], #0xfffffffffffffff0
+; CHECK-DAG: add [[SPDELTA:x[0-9]+]], x0, #15
+; CHECK-DAG: and x0, [[SPDELTA]], #0xfffffffffffffff0
; Make sure we change SP. It would be surprising if anything but x0 were used
; for the final sp, but it could be if it was then moved into x0.
-; CHECK: mov [[TMP:x[0-9]+]], sp
-; CHECK: sub x0, [[TMP]], [[SPDELTA]]
+; CHECK-DAG: mov [[TMP:x[0-9]+]], sp
+; CHECK-DAG: sub x0, [[TMP]], [[SPDELTA]]
; CHECK: mov sp, x0
; Obviously suboptimal code here, but it to get &local in x1
; CHECK: sub sp, sp, #208
; CHECK: stp x29, x30, [sp, #192]
; CHECK: add x29, sp, #192
-; CHECK: sub x9, x29, #192
-; CHECK: add x8, x9, #0
-; CHECK: str q7, [x8, #112]
+; CHECK: sub [[TMP:x[0-9]+]], x29, #192
+; CHECK: add x8, [[TMP]], #0
+; CHECK-FP: str q7, [x8, #112]
; [...]
-; CHECK: str q1, [x8, #16]
+; CHECK-FP: str q1, [x8, #16]
+
+; CHECK-NOFP: sub sp, sp, #80
+; CHECK-NOFP: stp x29, x30, [sp, #64]
+; CHECK-NOFP: add x29, sp, #64
+; CHECK-NOFP: sub [[TMP:x[0-9]+]], x29, #64
+; CHECK-NOFP: add x8, [[TMP]], #0
%addr = alloca i8, i64 %n
; CHECK: sub sp, x29, #192
; CHECK: ldp x29, x30, [sp, #192]
; CHECK: add sp, sp, #208
+
+; CHECK-NOFP: sub sp, x29, #64
+; CHECK-NOFP: ldp x29, x30, [sp, #64]
+; CHECK-NOFP: add sp, sp, #80
}
define void @test_alloca_large_frame(i64 %n) {
-; CHECK: test_alloca_large_frame:
+; CHECK-LABEL: test_alloca_large_frame:
; CHECK: sub sp, sp, #496
; CHECK: stp x29, x30, [sp, #480]
declare void @llvm.stackrestore(i8*)
define void @test_scoped_alloca(i64 %n) {
-; CHECK: test_scoped_alloca
+; CHECK-LABEL: test_scoped_alloca:
; CHECK: sub sp, sp, #32
%sp = call i8* @llvm.stacksave()
; CHECK: mov [[SAVED_SP:x[0-9]+]], sp
+; CHECK: mov [[OLDSP:x[0-9]+]], sp
%addr = alloca i8, i64 %n
; CHECK: and [[SPDELTA:x[0-9]+]], {{x[0-9]+}}, #0xfffffffffffffff0
-; CHECK: mov [[OLDSP:x[0-9]+]], sp
-; CHECK: sub [[NEWSP:x[0-9]+]], [[OLDSP]], [[SPDELTA]]
+; CHECK-DAG: sub [[NEWSP:x[0-9]+]], [[OLDSP]], [[SPDELTA]]
; CHECK: mov sp, [[NEWSP]]
call void @use_addr(i8* %addr)
; CHECK: mov sp, [[SAVED_SP]]
ret void
-}
\ No newline at end of file
+}