71 lines
3.0 KiB
LLVM
71 lines
3.0 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
||
|
|
; RUN: llc -global-isel -mtriple=arm64-windows -stop-after=irtranslator -o - %s | FileCheck %s
|
||
|
|
|
||
|
|
define void @local_escape() {
|
||
|
|
; CHECK-LABEL: name: local_escape
|
||
|
|
; CHECK: bb.1 (%ir-block.0):
|
||
|
|
; CHECK: LOCAL_ESCAPE <mcsymbol .Llocal_escape$frame_escape_1>, %stack.1.b
|
||
|
|
; CHECK: LOCAL_ESCAPE <mcsymbol .Llocal_escape$frame_escape_0>, %stack.0.a
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
|
||
|
|
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 13
|
||
|
|
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
|
||
|
|
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.b
|
||
|
|
; CHECK: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store 4 into %ir.a)
|
||
|
|
; CHECK: G_STORE [[C1]](s32), [[FRAME_INDEX1]](p0) :: (store 4 into %ir.b)
|
||
|
|
; CHECK: RET_ReallyLR
|
||
|
|
%a = alloca i32
|
||
|
|
%b = alloca i32, i32 2
|
||
|
|
call void (...) @llvm.localescape(i32* %a, i32* %b)
|
||
|
|
store i32 42, i32* %a
|
||
|
|
store i32 13, i32* %b
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Try some instructions before the localescape, and use a null
|
||
|
|
define void @local_escape_insert_point() {
|
||
|
|
; CHECK-LABEL: name: local_escape_insert_point
|
||
|
|
; CHECK: bb.1 (%ir-block.0):
|
||
|
|
; CHECK: LOCAL_ESCAPE <mcsymbol .Llocal_escape_insert_point$frame_escape_2>, %stack.1.b
|
||
|
|
; CHECK: LOCAL_ESCAPE <mcsymbol .Llocal_escape_insert_point$frame_escape_0>, %stack.0.a
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
|
||
|
|
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 13
|
||
|
|
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
|
||
|
|
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.b
|
||
|
|
; CHECK: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store 4 into %ir.a)
|
||
|
|
; CHECK: G_STORE [[C1]](s32), [[FRAME_INDEX1]](p0) :: (store 4 into %ir.b)
|
||
|
|
; CHECK: RET_ReallyLR
|
||
|
|
%a = alloca i32
|
||
|
|
%b = alloca i32, i32 2
|
||
|
|
store i32 42, i32* %a
|
||
|
|
store i32 13, i32* %b
|
||
|
|
call void (...) @llvm.localescape(i32* %a, i32* null, i32* %b)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @foo([128 x i32]*)
|
||
|
|
|
||
|
|
; Check a cast of an alloca
|
||
|
|
define void @local_escape_strip_ptr_cast() {
|
||
|
|
; CHECK-LABEL: name: local_escape_strip_ptr_cast
|
||
|
|
; CHECK: bb.1 (%ir-block.0):
|
||
|
|
; CHECK: LOCAL_ESCAPE <mcsymbol .Llocal_escape_strip_ptr_cast$frame_escape_0>, %stack.0.a
|
||
|
|
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
|
||
|
|
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
|
||
|
|
; CHECK: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store 4 into %ir.cast)
|
||
|
|
; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
|
||
|
|
; CHECK: $x0 = COPY [[FRAME_INDEX]](p0)
|
||
|
|
; CHECK: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0
|
||
|
|
; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
|
||
|
|
; CHECK: RET_ReallyLR
|
||
|
|
%a = alloca [128 x i32]
|
||
|
|
%cast = bitcast [128 x i32]* %a to i32*
|
||
|
|
store i32 42, i32* %cast
|
||
|
|
call void (...) @llvm.localescape(i32* %cast, i32* null)
|
||
|
|
call void @foo([128 x i32]* %a)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @llvm.localescape(...) #0
|
||
|
|
|
||
|
|
attributes #0 = { nounwind }
|