Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Transforms/ConstProp/logicaltest.ll

@@ -0,0 +1,35 @@
+; Ensure constant propagation of logical instructions is working correctly.
+
+; RUN: opt < %s -constprop -die -S | FileCheck %s
+; CHECK-NOT:     {{and|or|xor}}
+
+define i32 @test1() {
+        %R = and i32 4, 1234            ; <i32> [#uses=1]
+        ret i32 %R
+}
+
+define i1 @test1.upgrd.1() {
+        %R = and i1 true, false         ; <i1> [#uses=1]
+        ret i1 %R
+}
+
+define i32 @test2() {
+        %R = or i32 4, 1234             ; <i32> [#uses=1]
+        ret i32 %R
+}
+
+define i1 @test2.upgrd.2() {
+        %R = or i1 true, false          ; <i1> [#uses=1]
+        ret i1 %R
+}
+
+define i32 @test3() {
+        %R = xor i32 4, 1234            ; <i32> [#uses=1]
+        ret i32 %R
+}
+
+define i1 @test3.upgrd.3() {
+        %R = xor i1 true, false         ; <i1> [#uses=1]
+        ret i1 %R
+}
+