Import LLVM, at r72732.vendor/llvm/llvm-r72732

1 files changed, 44 insertions, 0 deletions

diff --git a/test/Transforms/InstCombine/apint-select.ll b/test/Transforms/InstCombine/apint-select.ll
new file mode 100644
index 000000000000..c2399fb88efe
--- /dev/null
+++ b/test/Transforms/InstCombine/apint-select.ll
@@ -0,0 +1,44 @@
+; This test makes sure that these instructions are properly eliminated.
+
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep select
+
+
+define i41 @test1(i1 %C) {
+	%V = select i1 %C, i41 1, i41 0  ; V = C
+	ret i41 %V
+}
+
+define i999 @test2(i1 %C) {
+	%V = select i1 %C, i999 0, i999 1  ; V = C
+	ret i999 %V
+}
+
+define i41 @test3(i41 %X) {
+    ;; (x <s 0) ? -1 : 0 -> ashr x, 31
+    %t = icmp slt i41 %X, 0
+    %V = select i1 %t, i41 -1, i41 0
+    ret i41 %V
+}
+
+define i1023 @test4(i1023 %X) {
+    ;; (x <s 0) ? -1 : 0 -> ashr x, 31
+    %t = icmp slt i1023 %X, 0
+    %V = select i1 %t, i1023 -1, i1023 0
+    ret i1023 %V
+}
+
+define i41 @test5(i41 %X) {
+    ;; ((X & 27) ? 27 : 0)
+    %Y = and i41 %X, 32
+    %t = icmp ne i41 %Y, 0
+    %V = select i1 %t, i41 32, i41 0
+    ret i41 %V
+}
+
+define i1023 @test6(i1023 %X) {
+    ;; ((X & 27) ? 27 : 0)
+    %Y = and i1023 %X, 64 
+    %t = icmp ne i1023 %Y, 0
+    %V = select i1 %t, i1023 64, i1023 0
+    ret i1023 %V
+}