1 ; RUN: llc < %s -march=x86 2 ; rdar://6642541 3 4 %struct.HandleBlock = type { [30 x i32], [990 x i8*], %struct.HandleBlockTrailer } 5 %struct.HandleBlockTrailer = type { %struct.HandleBlock* } 6 7 define hidden zeroext i8 @IsHandleAllocatedFromPool(i8** %h) nounwind optsize { 8 entry: 9 %0 = ptrtoint i8** %h to i32 ; <i32> [#uses=2] 10 %1 = and i32 %0, -4096 ; <i32> [#uses=1] 11 %2 = inttoptr i32 %1 to %struct.HandleBlock* ; <%struct.HandleBlock*> [#uses=3] 12 %3 = getelementptr %struct.HandleBlock, %struct.HandleBlock* %2, i32 0, i32 0, i32 0 ; <i32*> [#uses=1] 13 %4 = load i32, i32* %3, align 4096 ; <i32> [#uses=1] 14 %5 = icmp eq i32 %4, 1751280747 ; <i1> [#uses=1] 15 br i1 %5, label %bb, label %bb1 16 17 bb: ; preds = %entry 18 %6 = getelementptr %struct.HandleBlock, %struct.HandleBlock* %2, i32 0, i32 1 ; <[990 x i8*]*> [#uses=1] 19 %7 = ptrtoint [990 x i8*]* %6 to i32 ; <i32> [#uses=1] 20 %8 = sub i32 %0, %7 ; <i32> [#uses=2] 21 %9 = lshr i32 %8, 2 ; <i32> [#uses=1] 22 %10 = ashr i32 %8, 7 ; <i32> [#uses=1] 23 %11 = and i32 %10, 134217727 ; <i32> [#uses=1] 24 %12 = getelementptr %struct.HandleBlock, %struct.HandleBlock* %2, i32 0, i32 0, i32 %11 ; <i32*> [#uses=1] 25 %not.i = and i32 %9, 31 ; <i32> [#uses=1] 26 %13 = xor i32 %not.i, 31 ; <i32> [#uses=1] 27 %14 = shl i32 1, %13 ; <i32> [#uses=1] 28 %15 = load i32, i32* %12, align 4 ; <i32> [#uses=1] 29 %16 = and i32 %15, %14 ; <i32> [#uses=1] 30 %17 = icmp eq i32 %16, 0 ; <i1> [#uses=1] 31 %tmp = zext i1 %17 to i8 ; <i8> [#uses=1] 32 ret i8 %tmp 33 34 bb1: ; preds = %entry 35 ret i8 0 36 } 37 38
