call-nonzero-program-addrspace.ll 1.27 KB
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
; RUN: llvm-as %s -data-layout=P42 -o - | llvm-dis - -o - | FileCheck %s -check-prefix PROGAS42

; Check that variables in a nonzero program address space 42 can be used in a call instruction

define i8 @test(i8(i32)* %fnptr0, i8(i32) addrspace(42)* %fnptr42) {
  %explicit_as_0 = call addrspace(0) i8 %fnptr0(i32 0)
  %explicit_as_42 = call addrspace(42) i8 %fnptr42(i32 0)
  ; Calling %fnptr42 without an explicit addrspace() in the call instruction is only okay if the program AS is 42
  %call_no_as = call i8 %fnptr42(i32 0)
  ; CHECK: call-nonzero-program-addrspace.ll:[[@LINE-1]]:25: error: '%fnptr42' defined with type 'i8 (i32) addrspace(42)*' but expected 'i8 (i32)*'
  ret i8 0
}

; PROGAS42:       target datalayout = "P42"
; PROGAS42:       define i8 @test(i8 (i32)* %fnptr0, i8 (i32) addrspace(42)* %fnptr42) addrspace(42) {
; Print addrspace(0) since the program address space is non-zero:
; PROGAS42-NEXT:    %explicit_as_0 = call addrspace(0) i8 %fnptr0(i32 0)
; Also print addrspace(42) since we always print non-zero addrspace:
; PROGAS42-NEXT:    %explicit_as_42 = call addrspace(42) i8 %fnptr42(i32 0)
; PROGAS42-NEXT:    %call_no_as = call addrspace(42) i8 %fnptr42(i32 0)
; PROGAS42-NEXT:    ret i8 0
; PROGAS42-NEXT:  }