[PruneEH] A naked, noinline function can return via InlineAsm

[oota-llvm.git] / test / Transforms / PruneEH / pr23971.ll

diff --git a/test/Transforms/PruneEH/pr23971.ll b/test/Transforms/PruneEH/pr23971.ll
new file mode 100644 (file)
index 0000000..8a8a591
--- /dev/null
+++ b/test/Transforms/PruneEH/pr23971.ll
@@ -0,0 +1,21 @@
+; RUN: opt -S -prune-eh < %s | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @f() #0 {
+entry:
+  call void asm sideeffect "ret\0A\09", "~{dirflag},~{fpsr},~{flags}"()
+  unreachable
+}
+
+define i32 @g() {
+entry:
+  call void @f()
+  ret i32 42
+}
+
+; CHECK-LABEL: define i32 @g()
+; CHECK: ret i32 42
+
+attributes #0 = { naked noinline }