1 ; RUN: llc -march=hexagon -disable-block-placement=0 -O2 < %s | FileCheck %s 2 ; CHECK: [[Reg:r[0-9]+]] = {{lsr\(r[0-9]+,#16\)|extractu\(r[0-9]+,#16,#16\)}} 3 ; CHECK-NOT: [[Reg]] = #0 4 ; CHECK: align 5 ; CHECK-NEXT: LBB 6 7 target triple = "hexagon" 8 9 @g0 = common global [4 x i16] zeroinitializer, align 8 10 11 ; Function Attrs: nounwind 12 define i32 @f0() #0 { 13 b0: 14 %v0 = alloca i16, align 2 15 call void @f1(i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 0), i16* %v0) #0 16 %v1 = load i16, i16* %v0, align 2, !tbaa !0 17 %v2 = icmp slt i16 %v1, -15 18 br i1 %v2, label %b1, label %b4 19 20 b1: ; preds = %b0 21 %v3 = load i32, i32* bitcast ([4 x i16]* @g0 to i32*), align 8 22 %v4 = trunc i32 %v3 to i16 23 %v5 = lshr i32 %v3, 16 24 %v6 = trunc i32 %v5 to i16 25 %v7 = load i32, i32* bitcast (i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 2) to i32*), align 4 26 %v8 = trunc i32 %v7 to i16 27 %v9 = lshr i32 %v7, 16 28 %v10 = trunc i32 %v9 to i16 29 br label %b2 30 31 b2: ; preds = %b2, %b1 32 %v11 = phi i16 [ %v1, %b1 ], [ %v20, %b2 ] 33 %v12 = phi i16 [ %v10, %b1 ], [ 0, %b2 ] 34 %v13 = phi i16 [ %v8, %b1 ], [ %v12, %b2 ] 35 %v14 = phi i16 [ %v6, %b1 ], [ %v13, %b2 ] 36 %v15 = phi i16 [ %v4, %b1 ], [ %v14, %b2 ] 37 %v16 = phi i16 [ 0, %b1 ], [ %v19, %b2 ] 38 %v17 = icmp ne i16 %v16, 0 39 %v18 = zext i1 %v17 to i16 40 %v19 = or i16 %v15, %v18 41 %v20 = add i16 %v11, 16 42 %v21 = icmp slt i16 %v20, -15 43 br i1 %v21, label %b2, label %b3 44 45 b3: ; preds = %b2 46 store i16 %v14, i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 0), align 8, !tbaa !0 47 store i16 %v13, i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 1), align 2, !tbaa !0 48 store i16 %v12, i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 2), align 4, !tbaa !0 49 store i16 0, i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 3), align 2, !tbaa !0 50 store i16 %v20, i16* %v0, align 2, !tbaa !0 51 br label %b4 52 53 b4: ; preds = %b3, %b0 54 %v22 = phi i16 [ %v19, %b3 ], [ 0, %b0 ] 55 call void @f2(i16* getelementptr inbounds ([4 x i16], [4 x i16]* @g0, i32 0, i32 0), i16 signext %v22) #0 56 ret i32 0 57 } 58 59 declare void @f1(i16*, i16*) #0 60 61 declare void @f2(i16*, i16 signext) #0 62 63 attributes #0 = { nounwind } 64 65 !0 = !{!1, !1, i64 0} 66 !1 = !{!"short", !2} 67 !2 = !{!"omnipotent char", !3} 68 !3 = !{!"Simple C/C++ TBAA"} 69
