Address issues found by Duncan during post-commit review of r177856.

[oota-llvm.git] / test / Transforms / InstCombine / and2.ll

diff --git a/test/Transforms/InstCombine/and2.ll b/test/Transforms/InstCombine/and2.ll
index 012fa25aadd204e592d380249e567716f4706440..531aedb668a01b85ab381b52aa8e8a798edf30cd 100644 (file)
--- a/test/Transforms/InstCombine/and2.ll
+++ b/test/Transforms/InstCombine/and2.ll
@@ -1,5 +1,4 @@
-; RUN: opt %s -instcombine | llvm-dis | not grep and
-
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 ; PR1738
 define i1 @test1(double %X, double %Y) {
@@ -7,6 +6,39 @@ define i1 @test1(double %X, double %Y) {
         %tmp13 = fcmp ord double %Y, 0.000000e+00
         %bothcond = and i1 %tmp13, %tmp9
         ret i1 %bothcond
+; CHECK:  fcmp ord double %Y, %X
+}
+
+define i1 @test2(i1 %X, i1 %Y) {
+  %a = and i1 %X, %Y
+  %b = and i1 %a, %X
+  ret i1 %b
+; CHECK: @test2
+; CHECK-NEXT: and i1 %X, %Y
+; CHECK-NEXT: ret
 }
 
+define i32 @test3(i32 %X, i32 %Y) {
+  %a = and i32 %X, %Y
+  %b = and i32 %Y, %a
+  ret i32 %b
+; CHECK: @test3
+; CHECK-NEXT: and i32 %X, %Y
+; CHECK-NEXT: ret
+}
 
+define i1 @test4(i32 %X) {
+  %a = icmp ult i32 %X, 31
+  %b = icmp slt i32 %X, 0
+  %c = and i1 %a, %b
+  ret i1 %c
+; CHECK: @test4
+; CHECK-NEXT: ret i1 false
+}
+
+; Make sure we don't go into an infinite loop with this test
+define <4 x i32> @test5(<4 x i32> %A) {
+  %1 = xor <4 x i32> %A, <i32 1, i32 2, i32 3, i32 4>
+  %2 = and <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %1
+  ret <4 x i32> %2
+}