Test case for X86 FS/GS Base intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143332 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/fsgsbase.ll b/test/CodeGen/X86/fsgsbase.ll
new file mode 100644 (file)
index 0000000..0c22e3c
--- /dev/null
+++ b/test/CodeGen/X86/fsgsbase.ll
@@ -0,0 +1,57 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -march=x86-64 -mcpu=core-avx-i -mattr=fsgsbase | FileCheck %s
+
+define i32 @test_x86_rdfsbase_32() {
+  ; CHECK: rdfsbasel
+  %res = call i32 @llvm.x86.rdfsbase.32()
+  ret i32 %res
+}
+declare i32 @llvm.x86.rdfsbase.32() nounwind readnone
+
+define i32 @test_x86_rdgsbase_32() {
+  ; CHECK: rdgsbasel
+  %res = call i32 @llvm.x86.rdgsbase.32()
+  ret i32 %res
+}
+declare i32 @llvm.x86.rdgsbase.32() nounwind readnone
+
+define i64 @test_x86_rdfsbase_64() {
+  ; CHECK: rdfsbaseq
+  %res = call i64 @llvm.x86.rdfsbase.64()
+  ret i64 %res
+}
+declare i64 @llvm.x86.rdfsbase.64() nounwind readnone
+
+define i64 @test_x86_rdgsbase_64() {
+  ; CHECK: rdgsbaseq
+  %res = call i64 @llvm.x86.rdgsbase.64()
+  ret i64 %res
+}
+declare i64 @llvm.x86.rdgsbase.64() nounwind readnone
+
+define void @test_x86_wrfsbase_32(i32 %x) {
+  ; CHECK: wrfsbasel
+  call void @llvm.x86.wrfsbase.32(i32 %x)
+  ret void
+}
+declare void @llvm.x86.wrfsbase.32(i32) nounwind readnone
+
+define void @test_x86_wrgsbase_32(i32 %x) {
+  ; CHECK: wrgsbasel
+  call void @llvm.x86.wrgsbase.32(i32 %x)
+  ret void
+}
+declare void @llvm.x86.wrgsbase.32(i32) nounwind readnone
+
+define void @test_x86_wrfsbase_64(i64 %x) {
+  ; CHECK: wrfsbaseq
+  call void @llvm.x86.wrfsbase.64(i64 %x)
+  ret void
+}
+declare void @llvm.x86.wrfsbase.64(i64) nounwind readnone
+
+define void @test_x86_wrgsbase_64(i64 %x) {
+  ; CHECK: wrgsbaseq
+  call void @llvm.x86.wrgsbase.64(i64 %x)
+  ret void
+}
+declare void @llvm.x86.wrgsbase.64(i64) nounwind readnone