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| ; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: f1
target triple = "hexagon"
%s.0 = type { i32 }
@g0 = internal unnamed_addr global %s.0* null, section ".data.............", align 4
@g1 = internal global i32 0, section ".data.............", align 4
; Function Attrs: nounwind
define %s.0* @f0(i32* %a0) #0 {
b0:
%v0 = getelementptr inbounds i32, i32* %a0, i32 -1
%v1 = load i32, i32* %v0, align 4
%v2 = and i32 %v1, -3
store i32 %v2, i32* %v0, align 4
%v3 = getelementptr inbounds i32, i32* %a0, i32 -2
%v4 = load i32, i32* %v3, align 4
%v5 = lshr i32 %v4, 2
%v6 = xor i32 %v5, -1
%v7 = getelementptr inbounds i32, i32* %a0, i32 %v6
%v8 = lshr i32 %v1, 2
%v9 = add i32 %v8, -1
%v10 = getelementptr inbounds i32, i32* %a0, i32 %v9
%v11 = load i32, i32* %v10, align 4
%v12 = lshr i32 %v11, 2
%v13 = icmp eq i32 %v12, 0
br i1 %v13, label %b3, label %b1
b1: ; preds = %b0
%v14 = add i32 %v12, %v9
%v15 = getelementptr inbounds i32, i32* %a0, i32 %v14
%v16 = load i32, i32* %v15, align 4
%v17 = and i32 %v16, 1
%v18 = icmp eq i32 %v17, 0
br i1 %v18, label %b3, label %b2
b2: ; preds = %b1
%v19 = add nsw i32 %v12, %v8
%v20 = shl i32 %v19, 2
%v21 = and i32 %v1, 1
%v22 = or i32 %v20, %v21
store i32 %v22, i32* %v0, align 4
br label %b3
b3: ; preds = %b2, %b1, %b0
%v23 = phi i32 [ %v2, %b1 ], [ %v2, %b0 ], [ %v22, %b2 ]
%v24 = and i32 %v23, 1
%v25 = icmp eq i32 %v24, 0
br i1 %v25, label %b5, label %b4
b4: ; preds = %b3
%v26 = load i32, i32* %v7, align 4
%v27 = and i32 %v26, -4
%v28 = add i32 %v27, %v23
%v29 = and i32 %v28, -4
%v30 = and i32 %v26, 3
%v31 = or i32 %v29, %v30
store i32 %v31, i32* %v7, align 4
br label %b5
b5: ; preds = %b4, %b3
%v32 = phi i32 [ %v31, %b4 ], [ %v23, %b3 ]
%v33 = phi i32* [ %v7, %b4 ], [ %v0, %b3 ]
%v34 = bitcast i32* %v33 to %s.0*
%v35 = lshr i32 %v32, 2
%v36 = add i32 %v35, -1
%v37 = getelementptr inbounds %s.0, %s.0* %v34, i32 %v36, i32 0
%v38 = load i32, i32* %v37, align 4
%v39 = shl nuw i32 %v35, 2
%v40 = and i32 %v38, 3
%v41 = or i32 %v40, %v39
store i32 %v41, i32* %v37, align 4
%v42 = load i32, i32* %v33, align 4
%v43 = lshr i32 %v42, 2
%v44 = getelementptr inbounds %s.0, %s.0* %v34, i32 %v43, i32 0
%v45 = load i32, i32* %v44, align 4
%v46 = or i32 %v45, 1
store i32 %v46, i32* %v44, align 4
ret %s.0* %v34
}
; Function Attrs: nounwind
define i64 @f1(i32 %a0) #0 {
b0:
%v0 = load %s.0*, %s.0** @g0, align 4, !tbaa !0
%v1 = getelementptr inbounds %s.0, %s.0* %v0, i32 7
tail call void @f2(i32* @g1) #0
br label %b1
b1: ; preds = %b5, %b0
%v2 = phi %s.0* [ %v1, %b0 ], [ %v20, %b5 ]
%v3 = getelementptr inbounds %s.0, %s.0* %v2, i32 0, i32 0
%v4 = load i32, i32* %v3, align 4
%v5 = and i32 %v4, 2
%v6 = icmp eq i32 %v5, 0
br i1 %v6, label %b3, label %b2
b2: ; preds = %b1
tail call fastcc void @f8()
%v7 = getelementptr inbounds %s.0, %s.0* %v2, i32 1, i32 0
%v8 = tail call %s.0* @f0(i32* %v7)
tail call fastcc void @f7()
br label %b3
b3: ; preds = %b2, %b1
%v9 = phi %s.0* [ %v8, %b2 ], [ %v2, %b1 ]
%v10 = getelementptr inbounds %s.0, %s.0* %v9, i32 0, i32 0
%v11 = load i32, i32* %v10, align 4
%v12 = lshr i32 %v11, 2
%v13 = getelementptr inbounds %s.0, %s.0* %v9, i32 %v12, i32 0
%v14 = load i32, i32* %v13, align 4
%v15 = and i32 %v14, 1
%v16 = icmp eq i32 %v15, 0
br i1 %v16, label %b5, label %b4
b4: ; preds = %b3
%v17 = mul i32 %v12, 4
%v18 = add i32 %v17, -4
%v19 = icmp ult i32 %v18, %a0
br i1 %v19, label %b5, label %b7
b5: ; preds = %b4, %b3
%v20 = getelementptr inbounds %s.0, %s.0* %v9, i32 %v12
%v21 = icmp ult i32 %v14, 4
br i1 %v21, label %b6, label %b1
b6: ; preds = %b5
tail call fastcc void @f3()
br label %b11
b7: ; preds = %b4
%v22 = add i32 %a0, 4
%v23 = lshr i32 %v22, 2
%v24 = add i32 %v23, 8
%v25 = lshr i32 %v24, 3
%v26 = mul nsw i32 %v25, 8
%v27 = sub nsw i32 %v12, %v26
%v28 = icmp sgt i32 %v27, 7
br i1 %v28, label %b8, label %b9
b8: ; preds = %b7
%v29 = getelementptr inbounds %s.0, %s.0* %v9, i32 %v26, i32 0
%v30 = shl i32 %v27, 2
store i32 %v30, i32* %v29, align 4
%v31 = load i32, i32* %v10, align 4
%v32 = lshr i32 %v31, 2
%v33 = add i32 %v32, -1
%v34 = getelementptr inbounds %s.0, %s.0* %v9, i32 %v33, i32 0
%v35 = load i32, i32* %v34, align 4
%v36 = and i32 %v35, 3
%v37 = or i32 %v36, %v30
store i32 %v37, i32* %v34, align 4
%v38 = load i32, i32* %v10, align 4
%v39 = mul i32 %v25, 32
%v40 = and i32 %v38, 3
%v41 = or i32 %v40, %v39
store i32 %v41, i32* %v10, align 4
br label %b10
b9: ; preds = %b7
%v42 = and i32 %v14, -2
store i32 %v42, i32* %v13, align 4
br label %b10
b10: ; preds = %b9, %b8
tail call fastcc void @f3()
%v43 = getelementptr inbounds %s.0, %s.0* %v9, i32 1
%v44 = load i32, i32* %v10, align 4
%v45 = lshr i32 %v44, 2
%v46 = mul i32 %v45, 4
%v47 = add i32 %v46, -4
%v48 = ptrtoint %s.0* %v43 to i32
%v49 = zext i32 %v47 to i64
%v50 = shl nuw i64 %v49, 32
%v51 = zext i32 %v48 to i64
br label %b11
b11: ; preds = %b10, %b6
%v52 = phi i64 [ 0, %b6 ], [ %v51, %b10 ]
%v53 = phi i64 [ 0, %b6 ], [ %v50, %b10 ]
%v54 = or i64 %v53, %v52
ret i64 %v54
}
declare void @f2(i32*) #0
; Function Attrs: inlinehint nounwind
define internal fastcc void @f3() #1 {
b0:
store i32 0, i32* @g1, align 4, !tbaa !4
ret void
}
; Function Attrs: nounwind
define void @f4(i32* nocapture %a0) #0 {
b0:
%v0 = getelementptr inbounds i32, i32* %a0, i32 -1
tail call void @f2(i32* @g1) #0
%v1 = load i32, i32* %v0, align 4
%v2 = or i32 %v1, 2
store i32 %v2, i32* %v0, align 4
tail call fastcc void @f3()
ret void
}
; Function Attrs: nounwind
define %s.0* @f5(i32* %a0) #0 {
b0:
tail call void @f2(i32* @g1) #0
%v0 = tail call %s.0* @f0(i32* %a0)
tail call fastcc void @f3()
ret %s.0* %v0
}
; Function Attrs: nounwind
define void @f6(%s.0* %a0, i32 %a1) #0 {
b0:
%v0 = getelementptr inbounds %s.0, %s.0* %a0, i32 7, i32 0
%v1 = mul i32 %a1, 4
%v2 = add i32 %v1, -32
store i32 %v2, i32* %v0, align 4
%v3 = add i32 %a1, -1
%v4 = getelementptr inbounds %s.0, %s.0* %a0, i32 %v3, i32 0
store i32 1, i32* %v4, align 4
store i32 0, i32* @g1, align 4, !tbaa !4
store %s.0* %a0, %s.0** @g0, align 4
ret void
}
; Function Attrs: inlinehint nounwind
define internal fastcc void @f7() #1 {
b0:
tail call void asm sideeffect " nop", "~{memory}"() #0, !srcloc !6
ret void
}
; Function Attrs: inlinehint nounwind
define internal fastcc void @f8() #1 {
b0:
tail call void asm sideeffect " nop", "~{memory}"() #0, !srcloc !7
ret void
}
attributes #0 = { nounwind }
attributes #1 = { inlinehint nounwind }
!0 = !{!1, !1, i64 0}
!1 = !{!"any pointer", !2}
!2 = !{!"omnipotent char", !3}
!3 = !{!"Simple C/C++ TBAA"}
!4 = !{!5, !5, i64 0}
!5 = !{!"int", !2}
!6 = !{i32 782713}
!7 = !{i32 782625}
|