[InstCombine] Add a new formula for SMIN.

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

diff --git a/test/Transforms/InstCombine/and2.ll b/test/Transforms/InstCombine/and2.ll
index e88fd598300335cd4d87c6aae666f57928b7ebb2..96b535dda99d2ba9eb48c5f6544743105d6853d1 100644 (file)
--- a/test/Transforms/InstCombine/and2.ll
+++ b/test/Transforms/InstCombine/and2.ll
@@ -45,7 +45,7 @@ define <4 x i32> @test5(<4 x i32> %A) {
 
 ; Check that we combine "if x!=0 && x!=-1" into "if x+1u>1"
 define i32 @test6(i64 %x) nounwind {
-; CHECK: @test6
+; CHECK-LABEL: @test6(
 ; CHECK-NEXT: add i64 %x, 1
 ; CHECK-NEXT: icmp ugt i64 %x.off, 1
   %cmp1 = icmp ne i64 %x, -1
@@ -54,3 +54,26 @@ define i32 @test6(i64 %x) nounwind {
   %land.ext = zext i1 %.cmp1 to i32
   ret i32 %land.ext
 }
+
+define i1 @test7(i32 %i, i1 %b) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 %i, 0
+; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP]], %b
+; CHECK-NEXT: ret i1 [[AND]]
+  %cmp1 = icmp slt i32 %i, 1
+  %cmp2 = icmp sgt i32 %i, -1
+  %and1 = and i1 %cmp1, %b
+  %and2 = and i1 %and1, %cmp2
+  ret i1 %and2
+}
+
+define i1 @test8(i32 %i) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: [[DEC:%.*]] = add i32 %i, -1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[DEC]], 13
+; CHECK-NEXT: ret i1 [[CMP]]
+  %cmp1 = icmp ne i32 %i, 0
+  %cmp2 = icmp ult i32 %i, 14
+  %cond = and i1 %cmp1, %cmp2
+  ret i1 %cond
+}