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; 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-NEXT: LOCAL_ESCAPE <mcsymbol .Llocal_escape$frame_escape_1>, %stack.1.b
; CHECK-NEXT: LOCAL_ESCAPE <mcsymbol .Llocal_escape$frame_escape_0>, %stack.0.a
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 13
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.b
; CHECK-NEXT: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store (s32) into %ir.a)
; CHECK-NEXT: G_STORE [[C1]](s32), [[FRAME_INDEX1]](p0) :: (store (s32) into %ir.b)
; CHECK-NEXT: RET_ReallyLR
%a = alloca i32
%b = alloca i32, i32 2
call void (...) @llvm.localescape(ptr %a, ptr %b)
store i32 42, ptr %a
store i32 13, ptr %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-NEXT: LOCAL_ESCAPE <mcsymbol .Llocal_escape_insert_point$frame_escape_2>, %stack.1.b
; CHECK-NEXT: LOCAL_ESCAPE <mcsymbol .Llocal_escape_insert_point$frame_escape_0>, %stack.0.a
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 13
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.b
; CHECK-NEXT: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store (s32) into %ir.a)
; CHECK-NEXT: G_STORE [[C1]](s32), [[FRAME_INDEX1]](p0) :: (store (s32) into %ir.b)
; CHECK-NEXT: RET_ReallyLR
%a = alloca i32
%b = alloca i32, i32 2
store i32 42, ptr %a
store i32 13, ptr %b
call void (...) @llvm.localescape(ptr %a, ptr null, ptr %b)
ret void
}
declare void @foo(ptr)
; 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-NEXT: LOCAL_ESCAPE <mcsymbol .Llocal_escape_strip_ptr_cast$frame_escape_0>, %stack.0.a
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.a
; CHECK-NEXT: G_STORE [[C]](s32), [[FRAME_INDEX]](p0) :: (store (s32) into %ir.a)
; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: $x0 = COPY [[FRAME_INDEX]](p0)
; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0
; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK-NEXT: RET_ReallyLR
%a = alloca [128 x i32]
store i32 42, ptr %a
call void (...) @llvm.localescape(ptr %a, ptr null)
call void @foo(ptr %a)
ret void
}
declare void @llvm.localescape(...) #0
attributes #0 = { nounwind }
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