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-rw-r--r--llvm/test/CodeGen/Alpha/i32_sub_1.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Alpha/i32_sub_1.ll b/llvm/test/CodeGen/Alpha/i32_sub_1.ll
new file mode 100644
index 00000000000..9d8cb097348
--- /dev/null
+++ b/llvm/test/CodeGen/Alpha/i32_sub_1.ll
@@ -0,0 +1,10 @@
+; Make sure this testcase codegens to the ctpop instruction
+; RUN: llvm-as < %s | llc -march=alpha | grep -i 'subl $16,1,$0'
+
+implementation ; Functions:
+
+define i32 %foo(i32 sext %x) sext {
+entry:
+ %tmp.1 = add i32 %x, -1 ; <int> [#uses=1]
+ ret i32 %tmp.1
+}
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