aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/JS/invariant-intrinsics.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/JS/invariant-intrinsics.ll')
-rw-r--r--test/CodeGen/JS/invariant-intrinsics.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/JS/invariant-intrinsics.ll b/test/CodeGen/JS/invariant-intrinsics.ll
new file mode 100644
index 0000000000..dc156a9ffb
--- /dev/null
+++ b/test/CodeGen/JS/invariant-intrinsics.ll
@@ -0,0 +1,17 @@
+; RUN: llc -march=js < %s | not grep invariant
+
+; llc currently emits no code or bookkeeping for invariant intrinsic calls
+; or declarations.
+
+declare void @bar(i8*)
+
+define void @foo() {
+ %p = alloca i8
+ %i = call {}* @llvm.invariant.start(i64 1, i8* %p)
+ call void @bar(i8* %p)
+ call void @llvm.invariant.end({}* %i, i64 1, i8* %p)
+ ret void
+}
+
+declare {}* @llvm.invariant.start(i64, i8* nocapture)
+declare void @llvm.invariant.end({}*, i64, i8* nocapture)