Dan noticed that the verifier wasn't thoroughly checking uses of

invoke results (see the testcases).  Tighten up the checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72586 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 50 insertions, 0 deletions

diff --git a/test/Verifier/2009-05-29-InvokeResult1.ll b/test/Verifier/2009-05-29-InvokeResult1.ll
new file mode 100644
index 0000000..bb815b3
--- /dev/null
+++ b/test/Verifier/2009-05-29-InvokeResult1.ll
@@ -0,0 +1,15 @@
+; RUN: not llvm-as < %s >& /dev/null
+
+declare i32 @v()
+
+define i32 @f() {
+e:
+	%r = invoke i32 @v()
+			to label %c unwind label %u		; <i32> [#uses=2]
+
+c:		; preds = %e
+	ret i32 %r
+
+u:		; preds = %e
+	ret i32 %r
+}
diff --git a/test/Verifier/2009-05-29-InvokeResult2.ll b/test/Verifier/2009-05-29-InvokeResult2.ll
new file mode 100644
index 0000000..900b1d8
--- /dev/null
+++ b/test/Verifier/2009-05-29-InvokeResult2.ll
@@ -0,0 +1,16 @@
+; RUN: not llvm-as < %s >& /dev/null
+
+declare i32 @v()
+
+define i32 @g() {
+e:
+	%s = invoke i32 @v()
+			to label %c unwind label %u		; <i32> [#uses=2]
+
+c:		; preds = %e
+	ret i32 %s
+
+u:		; preds = %e
+	%t = phi i32 [ %s, %e ]		; <i32> [#uses=1]
+	ret i32 %t
+}
diff --git a/test/Verifier/2009-05-29-InvokeResult3.ll b/test/Verifier/2009-05-29-InvokeResult3.ll
new file mode 100644
index 0000000..050de466
--- /dev/null
+++ b/test/Verifier/2009-05-29-InvokeResult3.ll
@@ -0,0 +1,19 @@
+; RUN: not llvm-as < %s >& /dev/null
+
+declare i32 @v()
+
+define i32 @h() {
+e:
+	%s = invoke i32 @v()
+			to label %c unwind label %u		; <i32> [#uses=2]
+
+c:		; preds = %e
+	br label %d
+
+d:		; preds = %u, %c
+	%p = phi i32 [ %s, %c ], [ %s, %u ]		; <i32> [#uses=1]
+	ret i32 %p
+
+u:		; preds = %e
+	br label %d
+}