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-rw-r--r--test/CodeGen/R600/add.ll25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/R600/add.ll b/test/CodeGen/R600/add.ll
index e9db52ae4ae..711a2bc4177 100644
--- a/test/CodeGen/R600/add.ll
+++ b/test/CodeGen/R600/add.ll
@@ -140,3 +140,28 @@ entry:
store i64 %1, i64 addrspace(1)* %out
ret void
}
+
+; Test i64 add inside a branch. We don't allow SALU instructions inside of
+; branches.
+; FIXME: We are being conservative here. We could allow this in some cases.
+; FUNC-LABEL: @add64_in_branch
+; SI-CHECK-NOT: S_ADD_I32
+; SI-CHECK-NOT: S_ADDC_U32
+define void @add64_in_branch(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b, i64 %c) {
+entry:
+ %0 = icmp eq i64 %a, 0
+ br i1 %0, label %if, label %else
+
+if:
+ %1 = load i64 addrspace(1)* %in
+ br label %endif
+
+else:
+ %2 = add i64 %a, %b
+ br label %endif
+
+endif:
+ %3 = phi i64 [%1, %if], [%2, %else]
+ store i64 %3, i64 addrspace(1)* %out
+ ret void
+}