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-rw-r--r--test/CodeGen/Thumb2/thumb2-smul.ll23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-smul.ll b/test/CodeGen/Thumb2/thumb2-smul.ll
new file mode 100644
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--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-smul.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | \
+; RUN: grep smulbt | count 1
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | \
+; RUN: grep smultt | count 1
+
+@x = weak global i16 0 ; <i16*> [#uses=1]
+@y = weak global i16 0 ; <i16*> [#uses=0]
+
+define i32 @f1(i32 %y) {
+ %tmp = load i16* @x ; <i16> [#uses=1]
+ %tmp1 = add i16 %tmp, 2 ; <i16> [#uses=1]
+ %tmp2 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
+ %tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
+ %tmp4 = mul i32 %tmp2, %tmp3 ; <i32> [#uses=1]
+ ret i32 %tmp4
+}
+
+define i32 @f2(i32 %x, i32 %y) {
+ %tmp1 = ashr i32 %x, 16 ; <i32> [#uses=1]
+ %tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
+ %tmp4 = mul i32 %tmp3, %tmp1 ; <i32> [#uses=1]
+ ret i32 %tmp4
+}
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