1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/mulhs.ll b/test/CodeGen/PowerPC/mulhs.ll
new file mode 100644
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+++ b/test/CodeGen/PowerPC/mulhs.ll
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+; All of these ands and shifts should be folded into rlwimi's
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -o %t -f
+; RUN: not grep mulhwu %t
+; RUN: not grep srawi %t 
+; RUN: not grep add %t 
+; RUN: grep mulhw %t | wc -l | grep 1
+
+implementation   ; Functions:
+
+int %mulhs(int %a, int %b) {
+entry:
+        %tmp.1 = cast int %a to ulong           ; <ulong> [#uses=1]
+        %tmp.3 = cast int %b to ulong           ; <ulong> [#uses=1]
+        %tmp.4 = mul ulong %tmp.3, %tmp.1       ; <ulong> [#uses=1]
+        %tmp.6 = shr ulong %tmp.4, ubyte 32     ; <ulong> [#uses=1]
+        %tmp.7 = cast ulong %tmp.6 to int       ; <int> [#uses=1]
+        ret int %tmp.7
+}