1 ; RUN: opt < %s -analyze -scalar-evolution -disable-output |& not grep smax
4 @lut = common global [256 x i8] zeroinitializer, align 32 ; <[256 x i8]*> [#uses=1]
6 define void @foo(i32 %count, i32* %srcptr, i32* %dstptr) nounwind {
8 icmp sgt i32 %count, 0 ; <i1>:0 [#uses=1]
9 br i1 %0, label %bb.nph, label %return
11 bb.nph: ; preds = %entry
14 bb: ; preds = %bb1, %bb.nph
15 %j.01 = phi i32 [ %8, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=1]
16 load i32* %srcptr, align 4 ; <i32>:1 [#uses=2]
17 and i32 %1, 255 ; <i32>:2 [#uses=1]
18 and i32 %1, -256 ; <i32>:3 [#uses=1]
19 getelementptr [256 x i8]* @lut, i32 0, i32 %2 ; <i8*>:4 [#uses=1]
20 load i8* %4, align 1 ; <i8>:5 [#uses=1]
21 zext i8 %5 to i32 ; <i32>:6 [#uses=1]
22 or i32 %6, %3 ; <i32>:7 [#uses=1]
23 store i32 %7, i32* %dstptr, align 4
24 add i32 %j.01, 1 ; <i32>:8 [#uses=2]
28 icmp slt i32 %8, %count ; <i1>:9 [#uses=1]
29 br i1 %9, label %bb, label %bb1.return_crit_edge
31 bb1.return_crit_edge: ; preds = %bb1
34 return: ; preds = %bb1.return_crit_edge, %entry