1 ; RUN: opt < %s -analyze -scalar-evolution 2>&1 | FileCheck %s 2 ; PR2261 3 4 ; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'foo' 5 ; CHECK-NOT: smax 6 7 @lut = common global [256 x i8] zeroinitializer, align 32 ; <[256 x i8]*> [#uses=1] 8 9 define void @foo(i32 %count, i32* %srcptr, i32* %dstptr) nounwind { 10 entry: 11 icmp sgt i32 %count, 0 ; <i1>:0 [#uses=1] 12 br i1 %0, label %bb.nph, label %return 13 14 bb.nph: ; preds = %entry 15 br label %bb 16 17 bb: ; preds = %bb1, %bb.nph 18 %j.01 = phi i32 [ %8, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=1] 19 load i32* %srcptr, align 4 ; <i32>:1 [#uses=2] 20 and i32 %1, 255 ; <i32>:2 [#uses=1] 21 and i32 %1, -256 ; <i32>:3 [#uses=1] 22 getelementptr [256 x i8]* @lut, i32 0, i32 %2 ; <i8*>:4 [#uses=1] 23 load i8* %4, align 1 ; <i8>:5 [#uses=1] 24 zext i8 %5 to i32 ; <i32>:6 [#uses=1] 25 or i32 %6, %3 ; <i32>:7 [#uses=1] 26 store i32 %7, i32* %dstptr, align 4 27 add i32 %j.01, 1 ; <i32>:8 [#uses=2] 28 br label %bb1 29 30 bb1: ; preds = %bb 31 icmp slt i32 %8, %count ; <i1>:9 [#uses=1] 32 br i1 %9, label %bb, label %bb1.return_crit_edge 33 34 bb1.return_crit_edge: ; preds = %bb1 35 br label %return 36 37 return: ; preds = %bb1.return_crit_edge, %entry 38 ret void 39 } 40
