Add CodeGen tests for the recent SelectionDAG transforms

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21292 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/select_lt0.ll b/test/CodeGen/PowerPC/select_lt0.ll
new file mode 100644 (file)
index 0000000..9d8732e
--- /dev/null
+++ b/test/CodeGen/PowerPC/select_lt0.ll
@@ -0,0 +1,45 @@
+; RUN: llvm-as < %s | llc -march=ppc32 -enable-ppc-pattern-isel | not grep cmp
+
+int %seli32_1(int %a) {
+entry:
+       %tmp.1 = setlt int %a, 0
+       %retval = select bool %tmp.1, int 5, int 0
+       ret int %retval
+}
+
+int %seli32_2(int %a, int %b) {
+entry:
+       %tmp.1 = setlt int %a, 0
+       %retval = select bool %tmp.1, int %b, int 0
+       ret int %retval
+}
+
+int %seli32_3(int %a, short %b) {
+entry:
+       %tmp.2 = cast short %b to int
+       %tmp.1 = setlt int %a, 0
+       %retval = select bool %tmp.1, int %tmp.2, int 0
+       ret int %retval
+}
+
+int %seli32_4(int %a, ushort %b) {
+entry:
+       %tmp.2 = cast ushort %b to int
+       %tmp.1 = setlt int %a, 0
+       %retval = select bool %tmp.1, int %tmp.2, int 0
+       ret int %retval
+}
+
+short %seli16_1(short %a) {
+entry:
+       %tmp.1 = setlt short %a, 0
+       %retval = select bool %tmp.1, short 7, short 0
+       ret short %retval
+}
+
+short %seli16_2(int %a, short %b) {
+entry:
+       %tmp.1 = setlt int %a, 0
+       %retval = select bool %tmp.1, short %b, short 0
+       ret short %retval
+}

diff --git a/test/CodeGen/PowerPC/setcc_no_zext.ll b/test/CodeGen/PowerPC/setcc_no_zext.ll
new file mode 100644 (file)
index 0000000..e28d481
--- /dev/null
+++ b/test/CodeGen/PowerPC/setcc_no_zext.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=ppc32 -enable-ppc-pattern-isel | not grep rlwinm
+
+int %setcc_one_or_zero(int* %a) {
+entry:
+       %tmp.1 = setne int* %a, null
+       %inc.1 = cast bool %tmp.1 to int
+       ret int %inc.1
+}