From c6f3e165d93c94d8dac2598e62a98cef598579ab Mon Sep 17 00:00:00 2001
From: Coby Tayree <coby.tayree@intel.com>
Date: Sun, 30 Jul 2017 10:19:10 +0000
Subject: [PATCH] [x86][inline-asm]Allow a pack of Control Regs to be properly
picked
Allows the incorporation of legit (x86) Control Regs within inline asm stataements
Differential Revision: https://reviews.llvm.org/D35903
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309508 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Basic/Targets/X86.cpp | 1 +
test/CodeGen/ms-inline-asm.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/lib/Basic/Targets/X86.cpp b/lib/Basic/Targets/X86.cpp
index a3417d8f90f..17f52471efb 100644
--- a/lib/Basic/Targets/X86.cpp
+++ b/lib/Basic/Targets/X86.cpp
@@ -58,6 +58,7 @@ static const char *const GCCRegNames[] = {
"zmm18", "zmm19", "zmm20", "zmm21", "zmm22", "zmm23", "zmm24", "zmm25",
"zmm26", "zmm27", "zmm28", "zmm29", "zmm30", "zmm31", "k0", "k1",
"k2", "k3", "k4", "k5", "k6", "k7",
+ "cr0", "cr2", "cr3", "cr4", "cr8",
};
const TargetInfo::AddlRegName AddlRegNames[] = {
diff --git a/test/CodeGen/ms-inline-asm.c b/test/CodeGen/ms-inline-asm.c
index d26a660c9b0..ca4f8154064 100644
--- a/test/CodeGen/ms-inline-asm.c
+++ b/test/CodeGen/ms-inline-asm.c
@@ -627,6 +627,17 @@ void t43() {
// CHECK: call void asm sideeffect inteldialect "mov eax, $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
}
+void t44() {
+ // CHECK-LABEL: define void @t44
+ __asm {
+ mov cr0, eax
+ mov cr2, ebx
+ mov cr3, ecx
+ mov cr4, edx
+ }
+ // CHECK: call void asm sideeffect inteldialect "mov cr0, eax\0A\09mov cr2, ebx\0A\09mov cr3, ecx\0A\09mov cr4, edx", "~{cr0},~{cr2},~{cr3},~{cr4},~{dirflag},~{fpsr},~{flags}"()
+}
+
void dot_operator(){
// CHECK-LABEL: define void @dot_operator
__asm { mov eax, 3[ebx]A.b}
--
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