LowerTypeTests: Precommit test for generated x86 asm.

Reviewers: fmayer

Reviewed By: fmayer

Pull Request: #143189

Author: pcc

llvm/test/Transforms/LowerTypeTests/asm.ll

@@ -0,0 +1,20 @@
+; REQUIRES: x86-registered-target
+; RUN: opt -mtriple=x86_64-unknown-linux -S -passes=lowertypetests -lowertypetests-summary-action=import -lowertypetests-read-summary=%S/Inputs/import.yaml %s | llc | FileCheck %s
+
+define void @call(ptr %p) {
+  ; CHECK:      movl $__typeid_allones7_global_addr, %eax
+  ; CHECK-NEXT: movq %rdi, %rcx
+  ; CHECK-NEXT: subq %rax, %rcx
+  ; CHECK-NEXT: rorq $__typeid_allones7_align, %rcx
+  ; CHECK-NEXT: cmpq $__typeid_allones7_size_m1@ABS8, %rcx
+  %x = call i1 @llvm.type.test(ptr %p, metadata !"allones7")
+  br i1 %x, label %t, label %f
+
+t:
+  call void %p()
+  ret void
+
+f:
+  ret void
+}
+