| ; RUN: llc < %s -march=x86 |
| ; rdar://6642541 |
| |
| %struct.HandleBlock = type { [30 x i32], [990 x i8*], %struct.HandleBlockTrailer } |
| %struct.HandleBlockTrailer = type { %struct.HandleBlock* } |
| |
| define hidden zeroext i8 @IsHandleAllocatedFromPool(i8** %h) nounwind optsize { |
| entry: |
| %0 = ptrtoint i8** %h to i32 ; <i32> [#uses=2] |
| %1 = and i32 %0, -4096 ; <i32> [#uses=1] |
| %2 = inttoptr i32 %1 to %struct.HandleBlock* ; <%struct.HandleBlock*> [#uses=3] |
| %3 = getelementptr %struct.HandleBlock* %2, i32 0, i32 0, i32 0 ; <i32*> [#uses=1] |
| %4 = load i32* %3, align 4096 ; <i32> [#uses=1] |
| %5 = icmp eq i32 %4, 1751280747 ; <i1> [#uses=1] |
| br i1 %5, label %bb, label %bb1 |
| |
| bb: ; preds = %entry |
| %6 = getelementptr %struct.HandleBlock* %2, i32 0, i32 1 ; <[990 x i8*]*> [#uses=1] |
| %7 = ptrtoint [990 x i8*]* %6 to i32 ; <i32> [#uses=1] |
| %8 = sub i32 %0, %7 ; <i32> [#uses=2] |
| %9 = lshr i32 %8, 2 ; <i32> [#uses=1] |
| %10 = ashr i32 %8, 7 ; <i32> [#uses=1] |
| %11 = and i32 %10, 134217727 ; <i32> [#uses=1] |
| %12 = getelementptr %struct.HandleBlock* %2, i32 0, i32 0, i32 %11 ; <i32*> [#uses=1] |
| %not.i = and i32 %9, 31 ; <i32> [#uses=1] |
| %13 = xor i32 %not.i, 31 ; <i32> [#uses=1] |
| %14 = shl i32 1, %13 ; <i32> [#uses=1] |
| %15 = load i32* %12, align 4 ; <i32> [#uses=1] |
| %16 = and i32 %15, %14 ; <i32> [#uses=1] |
| %17 = icmp eq i32 %16, 0 ; <i1> [#uses=1] |
| %tmp = zext i1 %17 to i8 ; <i8> [#uses=1] |
| ret i8 %tmp |
| |
| bb1: ; preds = %entry |
| ret i8 0 |
| } |
| |
