https://github.com/MalaySanghi created
https://github.com/llvm/llvm-project/pull/95890
Reverts llvm/llvm-project#93804
Revert commit 089dfeee8a8761c35a3a56e75281275871dd53bc. The original request
can be fulfilled with alternative __inbyte/__inword/__indword
>From 1d96bd439d4631d0ff9d7005f27b770ce1d80a21 Mon Sep 17 00:00:00 2001
From: Malay Sanghi <malay.san...@intel.com>
Date: Tue, 18 Jun 2024 12:37:19 +0530
Subject: [PATCH] Revert "[X86] Add support for MS inp functions. (#93804)"
This reverts commit 089dfeee8a8761c35a3a56e75281275871dd53bc.
---
clang/lib/Headers/intrin.h | 19 ----------------
clang/test/CodeGen/X86/ms-x86-intrinsics.c | 25 ----------------------
2 files changed, 44 deletions(-)
diff --git a/clang/lib/Headers/intrin.h b/clang/lib/Headers/intrin.h
index 1227f45d5432b..5ceb986a1f652 100644
--- a/clang/lib/Headers/intrin.h
+++ b/clang/lib/Headers/intrin.h
@@ -329,25 +329,6 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
-
-static inline int _inp(unsigned short port) {
- int ret;
- __asm__ volatile("inb %w1, %b0" : "=a"(ret) : "Nd"(port));
- return ret;
-}
-
-static inline unsigned short _inpw(unsigned short port) {
- unsigned short ret;
- __asm__ volatile("inw %w1, %w0" : "=a"(ret) : "Nd"(port));
- return ret;
-}
-
-static inline unsigned long _inpd(unsigned short port) {
- unsigned long ret;
- __asm__ volatile("inl %w1, %k0" : "=a"(ret) : "Nd"(port));
- return ret;
-}
-
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
diff --git a/clang/test/CodeGen/X86/ms-x86-intrinsics.c
b/clang/test/CodeGen/X86/ms-x86-intrinsics.c
index 9566951b44d2d..aa557c8e19a83 100644
--- a/clang/test/CodeGen/X86/ms-x86-intrinsics.c
+++ b/clang/test/CodeGen/X86/ms-x86-intrinsics.c
@@ -63,31 +63,6 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
-
-int test_inp(unsigned short port) {
- return _inp(port);
-}
-// CHECK-LABEL: i32 @test_inp(i16 noundef
-// CHECK-SAME: [[PORT:%.*]])
-// CHECK: [[TMP0:%.*]] = tail call i32 asm sideeffect "inb ${1:w},
${0:b}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
-// CHECK-NEXT: ret i32 [[TMP0]]
-
-unsigned short test_inpw(unsigned short port) {
- return _inpw(port);
-}
-// CHECK-LABEL: i16 @test_inpw(i16 noundef
-// CHECK-SAME: [[PORT:%.*]])
-// CHECK: [[TMP0:%.*]] = tail call i16 asm sideeffect "inw ${1:w},
${0:w}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
-// CHECK-NEXT: ret i16 [[TMP0]]
-
-unsigned long test_inpd(unsigned short port) {
- return _inpd(port);
-}
-// CHECK-LABEL: i32 @test_inpd(i16 noundef
-// CHECK-SAME: [[PORT:%.*]])
-// CHECK: [[TMP0:%.*]] = tail call i32 asm sideeffect "inl ${1:w},
${0:k}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
-// CHECK-NEXT: ret i32 [[TMP0]]
-
#if defined(__x86_64__)
char test__readgsbyte(unsigned long Offset) {
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