[PATCH] D42568: [GlobalISel] Bail out on calls to dllimported functions
Martin Storsjö via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 30 11:54:24 PST 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL323811: [GlobalISel] Bail out on calls to dllimported functions (authored by mstorsjo, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D42568?vs=131563&id=132019#toc
Repository:
rL LLVM
https://reviews.llvm.org/D42568
Files:
llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp
llvm/trunk/test/CodeGen/AArch64/dllimport.ll
Index: llvm/trunk/test/CodeGen/AArch64/dllimport.ll
===================================================================
--- llvm/trunk/test/CodeGen/AArch64/dllimport.ll
+++ llvm/trunk/test/CodeGen/AArch64/dllimport.ll
@@ -1,5 +1,6 @@
; RUN: llc -mtriple aarch64-unknown-windows-msvc -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,DAG-ISEL
; RUN: llc -mtriple aarch64-unknown-windows-msvc -fast-isel -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,FAST-ISEL
+; RUN: llc -mtriple aarch64-unknown-windows-msvc -O0 -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,GLOBAL-ISEL,GLOBAL-ISEL-FALLBACK
@var = external dllimport global i32
@ext = external global i32
@@ -27,6 +28,8 @@
; DAG-ISEL: ldr w0, [x8, ext]
; FAST-ISEL: add x8, x8, ext
; FAST-ISEL: ldr w0, [x8]
+; GLOBAL-ISEL-FALLBACK: add x8, x8, ext
+; GLOBAL-ISEL-FALLBACK: ldr w0, [x8]
; CHECK: ret
define i32* @get_var_pointer() {
@@ -54,4 +57,6 @@
}
; CHECK-LABEL: call_internal
-; CHECK: b internal
+; DAG-ISEL: b internal
+; FAST-ISEL: b internal
+; GLOBAL-ISEL: bl internal
Index: llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ llvm/trunk/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -817,6 +817,10 @@
auto TII = MF->getTarget().getIntrinsicInfo();
const Function *F = CI.getCalledFunction();
+ // FIXME: support Windows dllimport function calls.
+ if (F && F->hasDLLImportStorageClass())
+ return false;
+
if (CI.isInlineAsm())
return translateInlineAsm(CI, MIRBuilder);
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