diff options
Diffstat (limited to 'test/Transforms/InstCombine/and2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/and2.ll | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/and2.ll b/test/Transforms/InstCombine/and2.ll index e88fd59830..96b535dda9 100644 --- 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 +} |