Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5

external/llvm/test/Verifier/deoptimize-intrinsic.ll

@@ -0,0 +1,45 @@
+; RUN: not opt -verify < %s 2>&1 | FileCheck %s
+
+declare i8 @llvm.experimental.deoptimize.i8(...)
+declare void @llvm.experimental.deoptimize.isVoid(...)
+declare cc40 void @llvm.experimental.deoptimize.double(...)
+
+declare void @unknown()
+
+define void @f_notail() {
+entry:
+  call void(...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ]
+; CHECK: calls to experimental_deoptimize must be followed by a return
+  call void @unknown()
+  ret void
+}
+
+define void @f_nodeopt() {
+entry:
+  call void(...) @llvm.experimental.deoptimize.isVoid()
+; CHECK: experimental_deoptimize must have exactly one "deopt" operand bundle
+  ret void
+}
+
+define void @f_invoke() personality i8 3 {
+entry:
+  invoke void(...) @llvm.experimental.deoptimize.isVoid(i32 0, float 0.0) to label %ok unwind label %not_ok
+; CHECK: experimental_deoptimize cannot be invoked
+
+ok:
+  ret void
+
+not_ok:
+  %0 = landingpad { i8*, i32 }
+          filter [0 x i8*] zeroinitializer
+  ret void
+}
+
+define i8 @f_incorrect_return() {
+entry:
+  %val = call i8(...) @llvm.experimental.deoptimize.i8() [ "deopt"() ]
+; CHECK: calls to experimental_deoptimize must be followed by a return of the value computed by experimental_deoptimize
+  ret i8 0
+}
+
+; CHECK: All llvm.experimental.deoptimize declarations must have the same calling convention