1 files changed, 76 insertions, 0 deletions
diff --git a/test/Transforms/LowerGuardIntrinsic/basic.ll b/test/Transforms/LowerGuardIntrinsic/basic.ll
new file mode 100644
index 0000000000000..7c3584a774e16
--- /dev/null
+++ b/test/Transforms/LowerGuardIntrinsic/basic.ll
@@ -0,0 +1,76 @@
+; RUN: opt -S -lower-guard-intrinsic < %s | FileCheck %s
+
+declare void @llvm.experimental.guard(i1, ...)
+
+define i8 @f_basic(i1* %c_ptr) {
+; CHECK-LABEL: @f_basic(
+
+  %c = load volatile i1, i1* %c_ptr
+  call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"(i32 1) ]
+  ret i8 5
+
+; CHECK:  br i1 %c, label %guarded, label %deopt, !prof !0
+; CHECK: deopt:
+; CHECK-NEXT:  %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ]
+; CHECK-NEXT:  ret i8 %deoptcall
+; CHECK: guarded:
+; CHECK-NEXT:  ret i8 5
+}
+
+define void @f_void_return_ty(i1* %c_ptr) {
+; CHECK-LABEL: @f_void_return_ty(
+
+  %c = load volatile i1, i1* %c_ptr
+  call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"() ]
+  ret void
+
+; CHECK:  br i1 %c, label %guarded, label %deopt, !prof !0
+; CHECK: deopt:
+; CHECK-NEXT:  call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"() ]
+; CHECK-NEXT:  ret void
+; CHECK: guarded:
+; CHECK-NEXT:  ret void
+}
+
+define void @f_multiple_args(i1* %c_ptr) {
+; CHECK-LABEL: @f_multiple_args(
+
+  %c = load volatile i1, i1* %c_ptr
+  call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1, i32 2, double 500.0) [ "deopt"(i32 2, i32 3) ]
+  ret void
+
+; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
+; CHECK: deopt:
+; CHECK-NEXT:  call void (...) @llvm.experimental.deoptimize.isVoid(i32 1, i32 2, double 5.000000e+02) [ "deopt"(i32 2, i32 3) ]
+; CHECK-NEXT:  ret void
+; CHECK: guarded:
+; CHECK-NEXT:  ret void
+}
+
+define i32 @f_zero_args(i1* %c_ptr) {
+; CHECK-LABEL: @f_zero_args(
+  %c = load volatile i1, i1* %c_ptr
+  call void(i1, ...) @llvm.experimental.guard(i1 %c) [ "deopt"(i32 2, i32 3) ]
+  ret i32 500
+
+; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0
+; CHECK: deopt:
+; CHECK-NEXT:  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 2, i32 3) ]
+; CHECK-NEXT:  ret i32 %deoptcall
+; CHECK: guarded:
+; CHECK-NEXT:  ret i32 500
+}
+
+define i8 @f_with_make_implicit_md(i32* %ptr) {
+; CHECK-LABEL: @f_with_make_implicit_md(
+; CHECK:  br i1 %notNull, label %guarded, label %deopt, !prof !0, !make.implicit !1
+; CHECK: deopt:
+; CHECK-NEXT:  %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ]
+; CHECK-NEXT:  ret i8 %deoptcall
+
+  %notNull = icmp ne i32* %ptr, null
+  call void(i1, ...) @llvm.experimental.guard(i1 %notNull, i32 1) [ "deopt"(i32 1) ], !make.implicit !{}
+  ret i8 5
+}
+
+!0 = !{!"branch_weights", i32 1048576, i32 1}