mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
c1f69e6129
Summary: Direct calls to dllimport functions are very common Windows. We should add them to the -O0 fast path. Reviewers: rafael Subscribers: llvm-commits, hiraditya Differential Revision: https://reviews.llvm.org/D36197 llvm-svn: 310152
63 lines
1.6 KiB
LLVM
63 lines
1.6 KiB
LLVM
; 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
|
|
; RUN: llc -mtriple i386-pc-windows-msvc -O0 < %s | FileCheck %s
|
|
; 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
|
|
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
|
|
}
|
|
|
|
; CHECK: _fp:
|
|
; CHECK-NEXT: .long _fun
|
|
@fp = constant void ()* @fun
|