New tests!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26265 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/and_sext.ll b/test/CodeGen/PowerPC/and_sext.ll
new file mode 100644 (file)
index 0000000..20c0cf9
--- /dev/null
+++ b/test/CodeGen/PowerPC/and_sext.ll
@@ -0,0 +1,9 @@
+; This test should not contain a sign extend
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep extsh 
+
+int %test(uint %mode.0.i.0) {
+        %tmp.79 = cast uint %mode.0.i.0 to short        ; <sbyte> [#uses=1]
+        %tmp.80 = cast short %tmp.79 to int             ; <int> [#uses=1]
+        %tmp.81 = and int %tmp.80, 24             ; <int> [#uses=1]
+        ret int %tmp.81
+}

diff --git a/test/CodeGen/PowerPC/and_sra.ll b/test/CodeGen/PowerPC/and_sra.ll
new file mode 100644 (file)
index 0000000..1f5abf3
--- /dev/null
+++ b/test/CodeGen/PowerPC/and_sra.ll
@@ -0,0 +1,18 @@
+; Neither of these functions should contain algebraic right shifts
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep srawi 
+
+int %test1(uint %mode.0.i.0) {
+        %tmp.79 = cast uint %mode.0.i.0 to int        ; <sbyte> [#uses=1]
+        %tmp.80 = shr int %tmp.79, ubyte 15           ; <int> [#uses=1]
+        %tmp.81 = and int %tmp.80, 24             ; <int> [#uses=1]
+        ret int %tmp.81
+}
+
+int %test2(uint %mode.0.i.0) {
+        %tmp.79 = cast uint %mode.0.i.0 to int        ; <sbyte> [#uses=1]
+        %tmp.80 = shr int %tmp.79, ubyte 15           ; <int> [#uses=1]
+        %tmp.81 = shr uint %mode.0.i.0, ubyte 16
+        %tmp.82 = cast uint %tmp.81 to int
+        %tmp.83 = and int %tmp.80, %tmp.82             ; <int> [#uses=1]
+        ret int %tmp.83
+}

diff --git a/test/CodeGen/PowerPC/extsh.ll b/test/CodeGen/PowerPC/extsh.ll
new file mode 100644 (file)
index 0000000..4ac7735
--- /dev/null
+++ b/test/CodeGen/PowerPC/extsh.ll
@@ -0,0 +1,7 @@
+; This should turn into a single extsh
+; RUN: llvm-as < %s | llc -march=ppc32 | grep extsh | wc -l | grep 1
+int %test(int %X) {
+        %tmp.81 = shl int %X, ubyte 16             ; <int> [#uses=1]
+        %tmp.82 = shr int %tmp.81, ubyte 16             ; <int> [#uses=1]
+        ret int %tmp.82
+}