File: nonzero-address-spaces.ll

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llvm-toolchain-20 1%3A20.1.8-1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal  -attributor-annotate-decl-cs  -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal  -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC

; ArgumentPromotion should preserve the default function address space
; from the data layout.

target datalayout = "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8"

@g = common global i32 0, align 4

;.
; CHECK: @g = common global i32 0, align 4
;.
define i32 @bar() {
; CHECK-LABEL: define {{[^@]+}}@bar() addrspace(1) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CALL:%.*]] = call addrspace(1) i32 @foo() #[[ATTR1:[0-9]+]]
; CHECK-NEXT:    unreachable
;

entry:
  %call = call i32 @foo(ptr @g)
  ret i32 %call
}

define internal i32 @foo(ptr) {
; CHECK: Function Attrs: noreturn memory(readwrite, argmem: none)
; CHECK-LABEL: define {{[^@]+}}@foo
; CHECK-SAME: () addrspace(1) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
; CHECK-NEXT:    [[RETVAL1:%.*]] = alloca i8, i32 0, align 4
; CHECK-NEXT:    call addrspace(0) void asm sideeffect "ldr r0, [r0] \0Abx lr \0A", ""()
; CHECK-NEXT:    unreachable
;
entry:
  %retval = alloca i32, align 4
  call void asm sideeffect "ldr r0, [r0] \0Abx lr        \0A", ""()
  unreachable
}

;.
; CHECK: attributes #[[ATTR0]] = { noreturn memory(readwrite, argmem: none) }
; CHECK: attributes #[[ATTR1]] = { noreturn }
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CGSCC: {{.*}}
; TUNIT: {{.*}}