These two tests now require only two multiply instructions,

instead of four.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42784 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/X86/extmul128.ll b/test/CodeGen/X86/extmul128.ll
new file mode 100644
index 0000000..df48765
--- /dev/null
+++ b/test/CodeGen/X86/extmul128.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep mul | count 2
+
+define i128 @i64_sext_i128(i64 %a, i64 %b) {
+  %aa = sext i64 %a to i128
+  %bb = sext i64 %b to i128
+  %cc = mul i128 %aa, %bb
+  ret i128 %cc
+}
+define i128 @i64_zext_i128(i64 %a, i64 %b) {
+  %aa = zext i64 %a to i128
+  %bb = zext i64 %b to i128
+  %cc = mul i128 %aa, %bb
+  ret i128 %cc
+}
diff --git a/test/CodeGen/X86/extmul64.ll b/test/CodeGen/X86/extmul64.ll
new file mode 100644
index 0000000..635da48
--- /dev/null
+++ b/test/CodeGen/X86/extmul64.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep mul | count 2
+
+define i64 @i32_sext_i64(i32 %a, i32 %b) {
+  %aa = sext i32 %a to i64
+  %bb = sext i32 %b to i64
+  %cc = mul i64 %aa, %bb
+  ret i64 %cc
+}
+define i64 @i32_zext_i64(i32 %a, i32 %b) {
+  %aa = zext i32 %a to i64
+  %bb = zext i32 %b to i64
+  %cc = mul i64 %aa, %bb
+  ret i64 %cc
+}