diff options
Diffstat (limited to 'test/CodeGen/AArch64/alloca.ll')
| -rw-r--r-- | test/CodeGen/AArch64/alloca.ll | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/test/CodeGen/AArch64/alloca.ll b/test/CodeGen/AArch64/alloca.ll index a84217f..1d3c0a0 100644 --- a/test/CodeGen/AArch64/alloca.ll +++ b/test/CodeGen/AArch64/alloca.ll @@ -1,4 +1,5 @@ ; 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*) @@ -7,13 +8,13 @@ define void @test_simple_alloca(i64 %n) { %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) @@ -37,13 +38,13 @@ define i64 @test_alloca_with_local(i64 %n) { %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 @@ -66,16 +67,22 @@ define i64 @test_alloca_with_local(i64 %n) { } define void @test_variadic_alloca(i64 %n, ...) { -; CHECK-LABEL: test_variadic_alloca: +; CHECK: test_variadic_alloca: ; CHECK: sub sp, sp, #208 ; CHECK: stp x29, x30, [sp, #192] ; CHECK: add x29, sp, #192 ; CHECK: sub [[TMP:x[0-9]+]], x29, #192 ; CHECK: add x8, [[TMP]], #0 -; CHECK: str q7, [x8, #112] +; 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 @@ -86,6 +93,10 @@ define void @test_variadic_alloca(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) { @@ -112,16 +123,16 @@ declare i8* @llvm.stacksave() 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) |