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-rw-r--r--llvm/test/Transforms/InstCombine/apint-mul2.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/apint-mul2.ll b/llvm/test/Transforms/InstCombine/apint-mul2.ll
new file mode 100644
index 00000000000..16518bb44e1
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/apint-mul2.ll
@@ -0,0 +1,13 @@
+; This test makes sure that mul instructions are properly eliminated.
+; This test is for Integer BitWidth >= 64 && BitWidth % 2 >= 1024.
+;
+
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep mul
+
+implementation
+
+define i177 @test1(i177 %X) {
+ %C = shl i177 1, 155
+ %Y = mul i177 %X, %C
+ ret i177 %Y
+}
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