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-rw-r--r--llvm/test/Transforms/SCCP/apint-ipsccp2.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SCCP/apint-ipsccp2.ll b/llvm/test/Transforms/SCCP/apint-ipsccp2.ll
new file mode 100644
index 00000000000..77fb6968258
--- /dev/null
+++ b/llvm/test/Transforms/SCCP/apint-ipsccp2.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis -o /dev/null -f &&
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | grep -v 'ret i101 0' | \
+; RUN: grep -v 'ret i101 undef' | not grep ret
+
+
+
+define internal i101 @bar(i101 %A) {
+ %x = icmp eq i101 %A, 0
+ br i1 %x, label %T, label %F
+T:
+ %B = call i101 @bar(i101 0)
+ ret i101 0
+F: ; unreachable
+ %C = call i101 @bar(i101 1)
+ ret i101 %C
+}
+
+define i101 @foo() {
+ %X = call i101 @bar(i101 0)
+ ret i101 %X
+}
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