Teach haveSameSpecialState about operand bundles

llvm-svn: 255527

1 files changed, 21 insertions, 0 deletions

diff --git a/llvm/test/Feature/OperandBundles/special-state.ll b/llvm/test/Feature/OperandBundles/special-state.ll
new file mode 100644
index 00000000000..56e337cc16b
--- /dev/null
+++ b/llvm/test/Feature/OperandBundles/special-state.ll
@@ -0,0 +1,21 @@
+; RUN: opt -S -early-cse < %s | FileCheck %s
+
+; This test isn't directly related to EarlyCSE or varargs.  It is just
+; using these as a vehicle for testing the correctness of
+; haveSameSpecialState around operand bundles.
+
+declare i32 @foo(...)
+
+define i32 @f() {
+; CHECK-LABEL: @f(
+ entry:
+; CHECK: %v0 = call i32 (...) @foo(
+; CHECK: %v1 = call i32 (...) @foo(
+; CHECK: %v = add i32 %v0, %v1
+; CHECK: ret i32 %v
+
+  %v0 = call i32 (...) @foo(i32 10) readonly [ "foo"(i32 20) ]
+  %v1 = call i32 (...) @foo() readonly [ "foo"(i32 10, i32 20) ]
+  %v = add i32 %v0, %v1
+  ret i32 %v
+}