llvm-6502/test/CodeGen/X86/dllimport.ll

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; RUN: llc -mtriple i386-pc-win32 < %s | FileCheck %s
; RUN: llc -mtriple i386-pc-mingw32 < %s | FileCheck %s
;
; RUN: llc -mtriple i386-pc-mingw32 -O0 < %s | FileCheck %s -check-prefix=FAST
; PR6275
;
; RUN: opt -mtriple i386-pc-win32 -O3 -S < %s | FileCheck %s -check-prefix=OPT
@Var1 = external dllimport global i32
@Var2 = available_externally dllimport unnamed_addr constant i32 1
declare dllimport void @fun()
define available_externally dllimport void @inline1() {
ret void
}
define available_externally dllimport void @inline2() alwaysinline {
ret void
}
declare dllimport x86_stdcallcc void @stdfun() nounwind
declare dllimport x86_fastcallcc void @fastfun() nounwind
declare dllimport x86_thiscallcc void @thisfun() nounwind
declare void @dummy(...)
define void @use() nounwind {
; CHECK: calll *__imp__fun
; FAST: movl __imp__fun, [[R:%[a-z]{3}]]
; FAST-NEXT: calll *[[R]]
call void @fun()
; CHECK: calll *__imp__inline1
; CHECK: calll *__imp__inline2
call void @inline1()
call void @inline2()
; CHECK: calll *__imp__stdfun@0
; CHECK: calll *__imp_@fastfun@0
; CHECK: calll *__imp__thisfun
call void @stdfun()
call void @fastfun()
call void @thisfun()
; available_externally uses go away
; OPT-NOT: call void @inline1()
; OPT-NOT: call void @inline2()
; OPT-NOT: load i32, i32* @Var2
; OPT: call void (...)* @dummy(i32 %1, i32 1)
; CHECK-DAG: movl __imp__Var1, [[R1:%[a-z]{3}]]
; CHECK-DAG: movl __imp__Var2, [[R2:%[a-z]{3}]]
%1 = load i32, i32* @Var1
%2 = load i32, i32* @Var2
call void(...)* @dummy(i32 %1, i32 %2)
ret void
}